{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-29038","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-03-03T17:50:11.242Z","datePublished":"2026-03-06T06:53:56.959Z","dateUpdated":"2026-03-09T19:57:44.702Z"},"containers":{"cna":{"title":"changedetection.io: Reflected XSS in RSS Tag Error Response","problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"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"}}],"references":[{"name":"https://github.com/dgtlmoon/changedetection.io/security/advisories/GHSA-8whx-v8qq-pq64","tags":["x_refsource_CONFIRM"],"url":"https://github.com/dgtlmoon/changedetection.io/security/advisories/GHSA-8whx-v8qq-pq64"},{"name":"https://github.com/dgtlmoon/changedetection.io/commit/ec7d56f85d1e9690fca7cb4711c1fb20dffec780","tags":["x_refsource_MISC"],"url":"https://github.com/dgtlmoon/changedetection.io/commit/ec7d56f85d1e9690fca7cb4711c1fb20dffec780"},{"name":"https://github.com/dgtlmoon/changedetection.io/releases/tag/0.54.4","tags":["x_refsource_MISC"],"url":"https://github.com/dgtlmoon/changedetection.io/releases/tag/0.54.4"}],"affected":[{"vendor":"dgtlmoon","product":"changedetection.io","versions":[{"version":"< 0.54.4","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-03-06T06:53:56.959Z"},"descriptions":[{"lang":"en","value":"changedetection.io is a free open source web page change detection tool. Prior to version 0.54.4, there is a reflected cross-site scripting (XSS) vulnerability identified in the /rss/tag/ endpoint of changedetection.io. The tag_uuid path parameter is reflected directly in the HTTP response body without HTML escaping. Since Flask returns text/html by default for plain string responses, the browser parses and executes injected JavaScript. This issue has been patched in version 0.54.4."}],"source":{"advisory":"GHSA-8whx-v8qq-pq64","discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-03-09T19:57:33.784446Z","id":"CVE-2026-29038","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":"2026-03-09T19:57:44.702Z"}}]}}