CVE-2026-30235

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{"affected": [{"affectedData": [{"product": "openproject", "vendor": "opf", "versions": [{"status": "affected", "version": "< 17.2.0"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:openproject:openproject:*:*:*:*:*:*:*:*", "matchCriteriaId": "4FB19C4D-0273-43F6-9AF6-3D30795D43BB", "versionEndExcluding": "17.2.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "OpenProject is an open-source, web-based project management software. Prior to 17.2.0, this vulnerability occurs due to improper validation of OpenProject\u2019s Markdown rendering, specifically in the hyperlink handling. This allows an attacker to inject malicious hyperlink payloads that perform DOM clobbering. DOM clobbering can crash or blank the entire page by overwriting native DOM functions with HTML elements, causing critical JavaScript calls to throw runtime errors during application initialization and halt further execution. This vulnerability is fixed in 17.2.0."}, {"lang": "es", "value": "OpenProject es un software de gesti\u00f3n de proyectos de c\u00f3digo abierto y basado en la web. Antes de la versi\u00f3n 17.2.0, esta vulnerabilidad ocurre debido a una validaci\u00f3n incorrecta del renderizado de Markdown de OpenProject, espec\u00edficamente en el manejo de hiperv\u00ednculos. Esto permite a un atacante inyectar cargas \u00fatiles de hiperv\u00ednculos maliciosos que realizan DOM clobbering. El DOM clobbering puede bloquear o dejar en blanco la p\u00e1gina completa al sobrescribir funciones DOM nativas con elementos HTML, causando que llamadas cr\u00edticas de JavaScript arrojen errores en tiempo de ejecuci\u00f3n durante la inicializaci\u00f3n de la aplicaci\u00f3n y detengan la ejecuci\u00f3n posterior. Esta vulnerabilidad est\u00e1 corregida en la versi\u00f3n 17.2.0."}], "id": "CVE-2026-30235", "lastModified": "2026-06-17T10:32:32.357", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-30235", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-03-11T17:15:46.412977Z", "version": "2.0.3"}}]}, "published": "2026-03-11T17:16:57.470", "references": [{"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/opf/openproject/security/advisories/GHSA-9rv2-9xv5-gpq8"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,17.2.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "openproject", "source": "cna", "vendor": "opf"}, "product": "openproject", "vendor": "opf"}], "analysis": {"en": {"generated_at": "2026-03-17T15:57:45.783807+00:00", "value": {"mitigation_remediation": ["Upgrade OpenProject to version 17.2.0 or later"], "summary": {"action": "Immediate Patch", "impact": "Denial of Service"}, "threat_synthesis": {"affected_systems": "Affected systems are installations of the open\u2011source, web\u2011based project management software OpenProject, provided by the vendor opf. All versions published before the 17.2.0 release are susceptible; the issue was resolved in the 17.2.0 patch.", "description_and_impact": "OpenProject\u2019s markdown renderer fails to properly validate hyperlink payloads prior to version 17.2.0. The flaw permits an attacker to embed malicious hyperlinks that exploit DOM clobbering, which can overwrite native browser DOM functions with injected HTML elements. Key weakness identified as CWE\u201179 (XSS via DOM clobbering). When an injection occurs, the application\u2019s JavaScript execution is interrupted, resulting in a full page crash or blank screen and halting further application logic.", "risk_and_exploitability": "The CVSS score is 6.5, indicating moderate severity. EPSS is less than 1\u202f%, suggesting the probability of exploitation is low. The vulnerability is not catalogued in CISA\u2019s KEV list. Exploitation would require an attacker able to inject markdown content\u2014such as a user with content author privileges\u2014into the application. Once a proper payload is inserted, the DOM clobbering triggers a runtime error during initialization, leading to a denial of service. No publicly documented exploit exists yet, but the flaw is classified as a medium\u2011risk issue."}}}}, "created": "2026-03-12T09:58:03.538627+00:00", "updated": "2026-03-20T15:30:40.302418+00:00", "vendors": ["opf", "opf$PRODUCT$openproject"]}