{"id":"CVE-2025-31483","state":"PUBLISHED","title":"Stored XSS in Miniflux Media Proxy due to improper Content-Security-Policy configuration","description":"Miniflux is a feed reader. Due to a weak Content Security Policy on the /proxy/* route, an attacker can bypass the CSP of the media proxy and execute cross-site scripting when opening external images in a new tab/window. To mitigate the vulnerability, the CSP for the media proxy has been changed from default-src 'self' to default-src 'none'; form-action 'none'; sandbox;. This vulnerability is fixed in 2.2.7.","publishedAt":"2025-04-03T18:07:32.241Z","updatedAt":"2025-04-03T18:49:45.617Z","severity":{"score":4.8,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["miniflux v2"],"affected":[{"vendor":"miniflux","product":"v2","versions":[{"version":"< 2.2.7","status":"affected"}]}],"references":["https://github.com/miniflux/v2/security/advisories/GHSA-cq88-842x-2jhp","https://github.com/miniflux/v2/commit/cb695e653a08af4cabcb277c271ce74bd0c746e6"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:08:55.257Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/31xxx/CVE-2025-31483.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-31483","state":"PUBLISHED","datePublished":"2025-04-03T18:07:32.241Z","dateUpdated":"2025-04-03T18:49:45.617Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2025-03-28T13:36:51.297Z"},"containers":{"cna":{"title":"Stored XSS in Miniflux Media Proxy due to improper Content-Security-Policy configuration","descriptions":[{"lang":"en","value":"Miniflux is a feed reader. Due to a weak Content Security Policy on the /proxy/* route, an attacker can bypass the CSP of the media proxy and execute cross-site scripting when opening external images in a new tab/window. To mitigate the vulnerability, the CSP for the media proxy has been changed from default-src 'self' to default-src 'none'; form-action 'none'; sandbox;. This vulnerability is fixed in 2.2.7."}],"affected":[{"vendor":"miniflux","product":"v2","versions":[{"version":"< 2.2.7","status":"affected"}]}],"references":[{"url":"https://github.com/miniflux/v2/security/advisories/GHSA-cq88-842x-2jhp","name":"https://github.com/miniflux/v2/security/advisories/GHSA-cq88-842x-2jhp","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/miniflux/v2/commit/cb695e653a08af4cabcb277c271ce74bd0c746e6","name":"https://github.com/miniflux/v2/commit/cb695e653a08af4cabcb277c271ce74bd0c746e6","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"ACTIVE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"LOW","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","subAvailabilityImpact":"NONE","baseScore":4.8,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/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":"2025-04-03T18:07:32.241Z"},"source":{"advisory":"GHSA-cq88-842x-2jhp","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-04-03T18:49:23.775945Z","id":"CVE-2025-31483","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":"2025-04-03T18:49:45.617Z"}}]}}}