CVE-2020-37237

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2020-37237", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-05-15T14:23:29.915Z", "datePublished": "2026-05-16T15:25:53.839Z", "dateUpdated": "2026-05-24T01:36:58.330Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-05-24T01:36:58.330Z"}, "datePublic": "2020-12-03T00:00:00.000Z", "title": "Composr CMS 10.0.34 Persistent Cross-Site Scripting via banners", "descriptions": [{"lang": "en", "value": "Composr CMS 10.0.34 contains a persistent cross-site scripting vulnerability that allows authenticated administrators to inject malicious scripts through the banner management interface. Attackers with admin credentials can inject XSS payloads in the Description field of the Add banner functionality, which execute for all website visitors when they access the home page."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "cweId": "CWE-79", "type": "CWE"}]}], "affected": [{"vendor": "Compo", "product": "Composr CMS", "versions": [{"version": "10.0.34", "status": "affected"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:compo:composr_cms:10.0.28:*:*:*:*:*:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:compo:composr_cms:10.0.29:*:*:*:*:*:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:compo:composr_cms:10.0.30:*:*:*:*:*:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:compo:composr_cms:10.0.31:*:*:*:*:*:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:compo:composr_cms:10.0.32:*:*:*:*:*:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:compo:composr_cms:10.0.33:*:*:*:*:*:*:*"}, {"vulnerable": true, "criteria": "cpe:2.3:a:compo:composr_cms:10.0.34:*:*:*:*:*:*:*"}]}]}], "metrics": [{"cvssV4_0": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "baseScore": 5.1, "baseSeverity": "MEDIUM", "exploitMaturity": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "format": "CVSS"}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "version": "3.1"}, "format": "CVSS"}], "references": [{"url": "https://www.exploit-db.com/exploits/49190", "name": "ExploitDB-49190", "tags": ["exploit"]}, {"url": "https://compo.sr/", "name": "Official Product Homepage", "tags": ["product"]}, {"url": "https://compo.sr/download.htm", "name": "Product Reference", "tags": ["product"]}, {"name": "VulnCheck Advisory: Composr CMS 10.0.34 Persistent Cross-Site Scripting via banners", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/composr-cms-persistent-cross-site-scripting-via-banners"}], "credits": [{"lang": "en", "value": "Parshwa Bhavsar", "type": "finder"}], "x_generator": {"engine": "vulncheck"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-05-18T19:51:42.214099Z", "id": "CVE-2020-37237", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-18T19:52:48.880Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2020-37237", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-05-18T19:51:42.214099Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-05-18T19:52:44.159Z"}}], "cna": {"title": "Composr CMS 10.0.34 Persistent Cross-Site Scripting via banners", "credits": [{"lang": "en", "type": "finder", "value": "Parshwa Bhavsar"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 5.1, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "PASSIVE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "LOW", "vulnIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}}, {"format": "CVSS", "cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}}], "affected": [{"vendor": "Compo", "product": "Composr CMS", "versions": [{"status": "affected", "version": "10.0.34"}]}], "datePublic": "2020-12-03T00:00:00.000Z", "references": [{"url": "https://www.exploit-db.com/exploits/49190", "name": "ExploitDB-49190", "tags": ["exploit"]}, {"url": "https://compo.sr/", "name": "Official Product Homepage", "tags": ["product"]}, {"url": "https://compo.sr/download.htm", "name": "Product Reference", "tags": ["product"]}, {"url": "https://www.vulncheck.com/advisories/composr-cms-persistent-cross-site-scripting-via-banners", "name": "VulnCheck Advisory: Composr CMS 10.0.34 Persistent Cross-Site Scripting via banners", "tags": ["third-party-advisory"]}], "x_generator": {"engine": "vulncheck"}, "descriptions": [{"lang": "en", "value": "Composr CMS 10.0.34 contains a persistent cross-site scripting vulnerability that allows authenticated administrators to inject malicious scripts through the banner management interface. Attackers with admin credentials can inject XSS payloads in the Description field of the Add banner functionality, which execute for all website visitors when they access the home page."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-79", "description": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:compo:composr_cms:10.0.28:*:*:*:*:*:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:compo:composr_cms:10.0.29:*:*:*:*:*:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:compo:composr_cms:10.0.30:*:*:*:*:*:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:compo:composr_cms:10.0.31:*:*:*:*:*:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:compo:composr_cms:10.0.32:*:*:*:*:*:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:compo:composr_cms:10.0.33:*:*:*:*:*:*:*", "vulnerable": true}, {"criteria": "cpe:2.3:a:compo:composr_cms:10.0.34:*:*:*:*:*:*:*", "vulnerable": true}], "operator": "OR"}]}], "providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-05-24T01:36:58.330Z"}}}, "cveMetadata": {"cveId": "CVE-2020-37237", "state": "PUBLISHED", "dateUpdated": "2026-05-24T01:36:58.330Z", "dateReserved": "2026-05-15T14:23:29.915Z", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "datePublished": "2026-05-16T15:25:53.839Z", "assignerShortName": "VulnCheck"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"product": "Composr CMS", "vendor": "Compo", "versions": [{"status": "affected", "version": "10.0.34"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Composr CMS 10.0.34 contains a persistent cross-site scripting vulnerability that allows authenticated administrators to inject malicious scripts through the banner management interface. Attackers with admin credentials can inject XSS payloads in the Description field of the Add banner functionality, which execute for all website visitors when they access the home page."}, {"lang": "es", "value": "Composr CMS 10.0.34 contiene una vulnerabilidad persistente de cross-site scripting que permite a los administradores autenticados inyectar scripts maliciosos a trav\u00e9s de la interfaz de gesti\u00f3n de banners. Los atacantes con credenciales de administrador pueden inyectar cargas \u00fatiles de XSS en el campo Descripci\u00f3n de la funcionalidad A\u00f1adir banner, que se ejecutan para todos los visitantes del sitio web cuando acceden a la p\u00e1gina de inicio."}], "id": "CVE-2020-37237", "lastModified": "2026-09-29T10:10:00.263", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 2.7, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.1, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2020-37237", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-05-18T19:51:42.214099Z", "version": "2.0.3"}}]}, "published": "2026-05-16T16:16:19.827", "references": [{"source": "disclosure@vulncheck.com", "url": "https://compo.sr/"}, {"source": "disclosure@vulncheck.com", "url": "https://compo.sr/download.htm"}, {"source": "disclosure@vulncheck.com", "url": "https://www.exploit-db.com/exploits/49190"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/composr-cms-persistent-cross-site-scripting-via-banners"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "disclosure@vulncheck.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "10.0.34"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Composr CMS", "source": "cna", "vendor": "Compo"}, "product": "composr_cms", "vendor": "compo"}], "created": "2026-05-16T16:30:26.747188+00:00", "updated": "2026-05-16T16:30:27.108547+00:00", "vendors": ["compo", "compo$PRODUCT$composr_cms"]}