{"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"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-29038", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-03-09T19:57:33.784446Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-03-09T19:57:40.273Z"}}], "cna": {"title": "changedetection.io: Reflected XSS in RSS Tag Error Response", "source": {"advisory": "GHSA-8whx-v8qq-pq64", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}}], "affected": [{"vendor": "dgtlmoon", "product": "changedetection.io", "versions": [{"status": "affected", "version": "< 0.54.4"}]}], "references": [{"url": "https://github.com/dgtlmoon/changedetection.io/security/advisories/GHSA-8whx-v8qq-pq64", "name": "https://github.com/dgtlmoon/changedetection.io/security/advisories/GHSA-8whx-v8qq-pq64", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/dgtlmoon/changedetection.io/commit/ec7d56f85d1e9690fca7cb4711c1fb20dffec780", "name": "https://github.com/dgtlmoon/changedetection.io/commit/ec7d56f85d1e9690fca7cb4711c1fb20dffec780", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/dgtlmoon/changedetection.io/releases/tag/0.54.4", "name": "https://github.com/dgtlmoon/changedetection.io/releases/tag/0.54.4", "tags": ["x_refsource_MISC"]}], "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."}], "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": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-03-06T06:53:56.959Z"}}}, "cveMetadata": {"cveId": "CVE-2026-29038", "state": "PUBLISHED", "dateUpdated": "2026-03-09T19:57:44.702Z", "dateReserved": "2026-03-03T17:50:11.242Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-03-06T06:53:56.959Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:webtechnologies:changedetection:*:*:*:*:*:*:*:*", "matchCriteriaId": "B4C1D55D-C25D-433D-98EA-A9C3336210DE", "versionEndExcluding": "0.54.4", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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."}, {"lang": "es", "value": "changedetection.io es una herramienta gratuita de c\u00f3digo abierto para la detecci\u00f3n de cambios en p\u00e1ginas web. Antes de la versi\u00f3n 0.54.4, existe una vulnerabilidad de cross-site scripting (XSS) reflejado identificada en el endpoint /rss/tag/ de changedetection.io. El par\u00e1metro de ruta tag_uuid se refleja directamente en el cuerpo de la respuesta HTTP sin escape HTML. Dado que Flask devuelve text/html por defecto para respuestas de cadena de texto plano, el navegador analiza y ejecuta JavaScript inyectado. Este problema ha sido parcheado en la versi\u00f3n 0.54.4."}], "id": "CVE-2026-29038", "lastModified": "2026-03-10T19:38:06.313", "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-advisories@github.com", "type": "Secondary"}]}, "published": "2026-03-06T07:16:01.393", "references": [{"source": "security-advisories@github.com", "tags": ["Patch"], "url": "https://github.com/dgtlmoon/changedetection.io/commit/ec7d56f85d1e9690fca7cb4711c1fb20dffec780"}, {"source": "security-advisories@github.com", "tags": ["Product", "Release Notes"], "url": "https://github.com/dgtlmoon/changedetection.io/releases/tag/0.54.4"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "url": "https://github.com/dgtlmoon/changedetection.io/security/advisories/GHSA-8whx-v8qq-pq64"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.54.4)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "changedetection.io", "source": "cna", "vendor": "dgtlmoon"}, "product": "changedetection.io", "vendor": "dgtlmoon"}], "created": "2026-03-06T14:55:33.141117+00:00", "updated": "2026-03-06T14:55:33.141210+00:00", "vendors": ["dgtlmoon", "dgtlmoon$PRODUCT$changedetection.io"]}