{"id":"CVE-2026-91204","state":"PUBLISHED","title":"Apache Roller: Stored javascript: URI in HTML comments","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Apache Roller 6.1.5 allows an anonymous remote attacker to store a comment containing a javascript: URI link that survives HTML comment formatting and can execute script in the browser of a visitor who clicks it. This affects only sites that enable HTML in comments (users.comments.htmlenabled=true) together with the HTMLSubset comment formatter; comment moderation, where enabled, delays publication. Users are recommended to upgrade to Apache Roller 6.1.6 or later, which restricts restored links to http, https and mailto URIs.","publishedAt":"2026-09-28T07:34:33.187Z","updatedAt":"2026-09-30T11:39:14.237Z","severity":{"score":6.1,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","source":"apache"},"assigner":"apache","products":["Apache Software Foundation Apache Roller"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Roller","defaultStatus":"unknown","versions":[{"version":"6.1.5","status":"affected","versionType":"semver"}]}],"references":["https://github.com/apache/roller/pull/190","https://lists.apache.org/thread/4qzp8m0438056l5t6m6719ob79gx72lz","http://www.openwall.com/lists/oss-security/2026/09/25/23"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/91xxx/CVE-2026-91204.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-91204","state":"PUBLISHED","datePublished":"2026-09-28T07:34:33.187Z","dateUpdated":"2026-09-30T11:39:14.237Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2026-09-14T21:59:04.938Z"},"containers":{"cna":{"title":"Apache Roller: Stored javascript: URI in HTML comments","descriptions":[{"lang":"en","value":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Apache Roller 6.1.5 allows an anonymous remote attacker to store a comment containing a javascript: URI link that survives HTML comment formatting and can execute script in the browser of a visitor who clicks it. This affects only sites that enable HTML in comments (users.comments.htmlenabled=true) together with the HTMLSubset comment formatter; comment moderation, where enabled, delays publication. Users are recommended to upgrade to Apache Roller 6.1.6 or later, which restricts restored links to http, https and mailto URIs."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Roller","defaultStatus":"unknown","versions":[{"version":"6.1.5","status":"affected","versionType":"semver"}]}],"references":[{"url":"https://github.com/apache/roller/pull/190","tags":["patch"]},{"url":"https://lists.apache.org/thread/4qzp8m0438056l5t6m6719ob79gx72lz","tags":["vendor-advisory"]}],"metrics":[{"other":{"type":"Textual description of severity","content":{"text":"Moderate"}},"scenarios":[{"lang":"en","value":"GENERAL"}]},{"scenarios":[{"lang":"en","value":"GENERAL"}],"format":"CVSS","cvssV3_1":{"version":"3.1","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseSeverity":"MEDIUM","baseScore":6.1,"vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"apache","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateUpdated":"2026-09-28T07:34:33.187Z"},"source":{"discovery":"EXTERNAL"},"credits":[{"lang":"en","value":"姬珏 (CyberLeo)","type":"finder"}],"x_generator":{"engine":"Vulnogram 1.0.3"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/09/25/23"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-09-28T08:22:44.024Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-30T11:39:04.573954Z","id":"CVE-2026-91204","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-30T11:39:14.237Z"}}]}}}