{"id":"CVE-2026-43934","state":"PUBLISHED","title":"e107: Broken Access Control in e107 comment edit allows cross-user comment modification","description":"e107 is a content management system (CMS). Prior to 2.3.4, a Broken Access Control vulnerability exists in the application, allowing an unauthorized authenticated user to edit comments posted by others. This stems from inadequate server-side access control validation, where the application depends only on a predictable identifier in the request to determine which comment to edit, without confirming the requesting user’s ownership of the comment. This vulnerability is fixed in 2.3.4.","publishedAt":"2026-05-26T14:54:21.210Z","updatedAt":"2026-05-26T17:40:51.812Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["e107inc e107"],"affected":[{"vendor":"e107inc","product":"e107","versions":[{"version":"< 2.3.4","status":"affected"}]}],"references":["https://github.com/e107inc/e107/security/advisories/GHSA-5w63-63rh-99q6","https://github.com/e107inc/e107/commit/23961a8f"],"weaknesses":["CWE-284","CWE-639"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/43xxx/CVE-2026-43934.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43934","state":"PUBLISHED","datePublished":"2026-05-26T14:54:21.210Z","dateUpdated":"2026-05-26T17:40:51.812Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-04T16:59:09.089Z"},"containers":{"cna":{"title":"e107: Broken Access Control in e107 comment edit allows cross-user comment modification","descriptions":[{"lang":"en","value":"e107 is a content management system (CMS). Prior to 2.3.4, a Broken Access Control vulnerability exists in the application, allowing an unauthorized authenticated user to edit comments posted by others. This stems from inadequate server-side access control validation, where the application depends only on a predictable identifier in the request to determine which comment to edit, without confirming the requesting user’s ownership of the comment. This vulnerability is fixed in 2.3.4."}],"affected":[{"vendor":"e107inc","product":"e107","versions":[{"version":"< 2.3.4","status":"affected"}]}],"references":[{"url":"https://github.com/e107inc/e107/security/advisories/GHSA-5w63-63rh-99q6","name":"https://github.com/e107inc/e107/security/advisories/GHSA-5w63-63rh-99q6","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/e107inc/e107/commit/23961a8f","name":"https://github.com/e107inc/e107/commit/23961a8f","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-284","lang":"en","description":"CWE-284: Improper Access Control","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-639","lang":"en","description":"CWE-639: Authorization Bypass Through User-Controlled Key","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-05-26T14:54:21.210Z"},"source":{"advisory":"GHSA-5w63-63rh-99q6","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/e107inc/e107/security/advisories/GHSA-5w63-63rh-99q6","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-26T17:40:26.682147Z","id":"CVE-2026-43934","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":"2026-05-26T17:40:51.812Z"}}]}}}