{"id":"CVE-2025-53631","state":"PUBLISHED","title":"flaskBlog XSS Vulnerability in postContent","description":"flaskBlog is a blog app built with Flask. In versions 2.8.1 and prior, improper sanitization of postContent when submitting POST requests to /createpost leads to arbitrary JavaScript execution (XSS) on all pages the post is reflected on including /, /post/[ID], /admin/posts, and /user/[ID] of the user that made the post. At time of publication, there are no public patches available.","publishedAt":"2025-08-14T15:26:32.758Z","updatedAt":"2025-08-14T15:43:29.962Z","severity":{"score":5.3,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["DogukanUrker flaskBlog"],"affected":[{"vendor":"DogukanUrker","product":"flaskBlog","versions":[{"version":"<= 2.8.1","status":"affected"}]}],"references":["https://github.com/DogukanUrker/flaskBlog/security/advisories/GHSA-cj43-h8qf-7rw7"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:09:31.862Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/53xxx/CVE-2025-53631.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2025-53631","state":"PUBLISHED","datePublished":"2025-08-14T15:26:32.758Z","dateUpdated":"2025-08-14T15:43:29.962Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2025-07-07T14:20:38.389Z"},"containers":{"cna":{"title":"flaskBlog XSS Vulnerability in postContent","descriptions":[{"lang":"en","value":"flaskBlog is a blog app built with Flask. In versions 2.8.1 and prior, improper sanitization of postContent when submitting POST requests to /createpost leads to arbitrary JavaScript execution (XSS) on all pages the post is reflected on including /, /post/[ID], /admin/posts, and /user/[ID] of the user that made the post. At time of publication, there are no public patches available."}],"affected":[{"vendor":"DogukanUrker","product":"flaskBlog","versions":[{"version":"<= 2.8.1","status":"affected"}]}],"references":[{"url":"https://github.com/DogukanUrker/flaskBlog/security/advisories/GHSA-cj43-h8qf-7rw7","name":"https://github.com/DogukanUrker/flaskBlog/security/advisories/GHSA-cj43-h8qf-7rw7","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"LOW","subAvailabilityImpact":"NONE","baseScore":5.3,"baseSeverity":"MEDIUM","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/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":"2025-08-14T15:26:32.758Z"},"source":{"advisory":"GHSA-cj43-h8qf-7rw7","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-08-14T15:43:19.045203Z","id":"CVE-2025-53631","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":"2025-08-14T15:43:29.962Z"}}]}}}