{"id":"CVE-2026-40353","state":"PUBLISHED","title":"wger: Stored XSS via Unescaped License Attribution Fields","description":"wger is a free, open-source workout and fitness manager. In versions 2.5 and below, the attribution_link property in AbstractLicenseModel constructs HTML by directly interpolating user-controlled license fields (such as license_author) without escaping, and templates render the result using Django's |safe filter. An authenticated user can create an ingredient with a malicious license_author value containing JavaScript, which executes in the browser of any visitor viewing the ingredient page, resulting in stored XSS. This issue has been fixed in version 2.5.","publishedAt":"2026-04-17T21:16:12.401Z","updatedAt":"2026-04-20T16:17:52.305Z","severity":{"score":5.1,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["wger-project wger"],"affected":[{"vendor":"wger-project","product":"wger","versions":[{"version":"< 2.5","status":"affected"}]}],"references":["https://github.com/wger-project/wger/security/advisories/GHSA-6f54-qjvm-wwq3","https://github.com/wger-project/wger/releases/tag/2.5"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/40xxx/CVE-2026-40353.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-40353","state":"PUBLISHED","datePublished":"2026-04-17T21:16:12.401Z","dateUpdated":"2026-04-20T16:17:52.305Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-04-10T22:50:01.359Z"},"containers":{"cna":{"title":"wger: Stored XSS via Unescaped License Attribution Fields","descriptions":[{"lang":"en","value":"wger is a free, open-source workout and fitness manager. In versions 2.5 and below, the attribution_link property in AbstractLicenseModel constructs HTML by directly interpolating user-controlled license fields (such as license_author) without escaping, and templates render the result using Django's |safe filter. An authenticated user can create an ingredient with a malicious license_author value containing JavaScript, which executes in the browser of any visitor viewing the ingredient page, resulting in stored XSS. This issue has been fixed in version 2.5."}],"affected":[{"vendor":"wger-project","product":"wger","versions":[{"version":"< 2.5","status":"affected"}]}],"references":[{"url":"https://github.com/wger-project/wger/security/advisories/GHSA-6f54-qjvm-wwq3","name":"https://github.com/wger-project/wger/security/advisories/GHSA-6f54-qjvm-wwq3","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/wger-project/wger/releases/tag/2.5","name":"https://github.com/wger-project/wger/releases/tag/2.5","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"PASSIVE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","subAvailabilityImpact":"NONE","baseScore":5.1,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-04-17T21:16:12.401Z"},"source":{"advisory":"GHSA-6f54-qjvm-wwq3","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/wger-project/wger/security/advisories/GHSA-6f54-qjvm-wwq3","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-20T16:17:47.270194Z","id":"CVE-2026-40353","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-04-20T16:17:52.305Z"}}]}}}