CVE-2026-1127

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-1127", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-01-17T20:40:53.018Z", "datePublished": "2026-01-24T09:08:08.726Z", "dateUpdated": "2026-04-08T17:18:14.640Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-04-08T17:18:14.640Z"}, "affected": [{"vendor": "wpdiscover", "product": "Timeline Event History", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "3.2", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Timeline Event History plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the `id` parameter in all versions up to, and including, 3.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link."}], "title": "Timeline Event History <= 3.2 - Reflected Cross-Site Scripting", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/ba779595-2674-4d84-bc41-889ae60bd6a4?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/timeline-event-history/tags/3.2/includes/admin/class-timeline-wp-field-builder.php#L540"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "cweId": "CWE-79", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "baseScore": 6.1, "baseSeverity": "MEDIUM"}}], "credits": [{"lang": "en", "type": "finder", "value": "Arkadiusz Hydzik"}], "timeline": [{"time": "2026-01-05T00:00:00.000Z", "lang": "en", "value": "Discovered"}, {"time": "2026-01-23T20:32:22.000Z", "lang": "en", "value": "Disclosed"}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-01-26T17:38:04.720939Z", "id": "CVE-2026-1127", "options": [{"Exploitation": "none"}, {"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": "2026-01-26T17:38:57.038Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-1127", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-01-26T17:38:04.720939Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-26T17:38:08.499Z"}}], "cna": {"title": "Timeline Event History <= 3.2 - Reflected Cross-Site Scripting", "credits": [{"lang": "en", "type": "finder", "value": "Arkadiusz Hydzik"}], "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 6.1, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}}], "affected": [{"vendor": "wpdiscover", "product": "Timeline Event History", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "3.2"}], "defaultStatus": "unaffected"}], "timeline": [{"lang": "en", "time": "2026-01-05T00:00:00.000Z", "value": "Discovered"}, {"lang": "en", "time": "2026-01-23T20:32:22.000Z", "value": "Disclosed"}], "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/ba779595-2674-4d84-bc41-889ae60bd6a4?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/timeline-event-history/tags/3.2/includes/admin/class-timeline-wp-field-builder.php#L540"}], "descriptions": [{"lang": "en", "value": "The Timeline Event History plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the `id` parameter in all versions up to, and including, 3.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}], "providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-04-08T17:18:14.640Z"}}}, "cveMetadata": {"cveId": "CVE-2026-1127", "state": "PUBLISHED", "dateUpdated": "2026-04-08T17:18:14.640Z", "dateReserved": "2026-01-17T20:40:53.018Z", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "datePublished": "2026-01-24T09:08:08.726Z", "assignerShortName": "Wordfence"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Timeline Event History", "vendor": "wpdiscover", "versions": [{"lessThanOrEqual": "3.2", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Timeline Event History plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the `id` parameter in all versions up to, and including, 3.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link."}, {"lang": "es", "value": "El plugin Timeline Event History para WordPress es vulnerable a cross-site scripting reflejado a trav\u00e9s del par\u00e1metro 'id' en todas las versiones hasta la 3.2, inclusive, debido a una sanitizaci\u00f3n de entrada y un escape de salida insuficientes. Esto permite a atacantes no autenticados inyectar scripts web arbitrarios en p\u00e1ginas que se ejecutan si logran enga\u00f1ar a un usuario para que realice una acci\u00f3n como hacer clic en un enlace."}], "id": "CVE-2026-1127", "lastModified": "2026-06-17T10:15:09.063", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "security@wordfence.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-1127", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-01-26T17:38:04.720939Z", "version": "2.0.3"}}]}, "published": "2026-01-24T09:15:53.517", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/timeline-event-history/tags/3.2/includes/admin/class-timeline-wp-field-builder.php#L540"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/ba779595-2674-4d84-bc41-889ae60bd6a4?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security@wordfence.com", "type": "Secondary"}]}

{}

{"analysis": {"en": {"generated_at": "2026-04-15T21:37:14.936262+00:00", "value": {"mitigation_remediation": ["Update the Timeline Event History plugin to the latest available version, which removes the vulnerable code.", "If the plugin is not required, uninstall or disable it entirely to eliminate the attack surface.", "Configure a Web Application Firewall to block requests containing suspicious \u2018id\u2019 parameters or known XSS payloads."], "summary": {"action": "Patch", "impact": "Reflected Cross\u2011Site Scripting"}, "threat_synthesis": {"affected_systems": "Any installation of the wpdiscover:Timeline Event History plugin running a version up to and including 3.2 is affected. Users with earlier or later releases are not impacted by this specific flaw.", "description_and_impact": "The Timeline Event History WordPress plugin is vulnerable to Reflected Cross\u2011Site Scripting via the \u2018id\u2019 parameter. Based on the description, inadequate input sanitization and lack of output escaping allow an unauthenticated attacker to inject JavaScript that will execute in a user\u2019s browser when the crafted link is clicked, enabling phishing, cookie theft or other client\u2011side attacks in the victim\u2019s context.", "risk_and_exploitability": "The CVSS score of 6.1 indicates moderate severity. The EPSS score of less than 1% suggests a low but non-zero likelihood of exploitation, and the vulnerability is not listed in the CISA KEV catalog. Based on the description, the attack vector is a reflected web request; an attacker crafts a URL containing a malicious \u2018id\u2019 value, then lures a victim to click the link. Successful exploitation requires victim interaction but imposes no authentication or privileged conditions."}}}}, "created": "2026-01-26T11:48:34.582078+00:00", "updated": "2026-04-15T21:45:14.145603+00:00", "vendors": ["wordpress", "wordpress$PRODUCT$wordpress"]}