{"id":"CVE-2026-21430","aliases":["EUVD-2026-0757","GHSA-2g2w-vmg7-pq4q"],"status":"published","title":"Emlog: CSRF chained with stored XSS leads to ATO","description":"Emlog is an open source website building system. In version 2.5.23, article creation functionality is vulnerable to cross-site request forgery (CSRF). This can lead to a user being forced to post an article with arbitrary, attacker-controlled content. This, when combined with stored cross-site scripting, leads to account takeover. As of time of publication, no known patched versions are available.","severity":{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N/E:P","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00185,"percentile":0.08131,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-352","CWE-79"],"published":"2026-01-02T18:44:24Z","modified":"2026-10-28T02:31:09Z","products":[{"vendor":"emlog","product":"emlog"}],"references":[{"url":"https://github.com/emlog/emlog/security/advisories/GHSA-2g2w-vmg7-pq4q","tags":["x_refsource_CONFIRM","Exploit","Vendor Advisory","advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/21xxx/CVE-2026-21430.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21430","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-21430","title":"Emlog: CSRF chained with stored XSS leads to ATO","description":"Emlog is an open source website building system. In version 2.5.23, article creation functionality is vulnerable to cross-site request forgery (CSRF). This can lead to a user being forced to post an article with arbitrary, attacker-controlled content. This, when combined with stored cross-site scripting, leads to account takeover. As of time of publication, no known patched versions are available.","status":"published","published":"2026-01-02T18:44:24.192Z","modified":"2026-01-05T20:38:09.299Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N/E:P","level":"high","assessor":"cna"}],"cwes":["CWE-352","CWE-79"],"updated_at":"2026-11-02T13:41:42.05254Z"}],"euvd":[{"id":"EUVD-2026-0757","description":"Emlog is an open source website building system. In version 2.5.23, article creation functionality is vulnerable to cross-site request forgery (CSRF). This can lead to a user being forced to post an article with arbitrary, attacker-controlled content. This, when combined with stored cross-site scripting, leads to account takeover. As of time of publication, no known patched versions are available.","status":"published","published":"2026-01-02T18:44:24Z","modified":"2026-01-05T20:38:09Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N/E:P","level":"high"}],"updated_at":"2026-11-02T19:48:55.889439Z"}],"nvd":[{"id":"CVE-2026-21430","description":"Emlog is an open source website building system. In version 2.5.23, article creation functionality is vulnerable to cross-site request forgery (CSRF). This can lead to a user being forced to post an article with arbitrary, attacker-controlled content. This, when combined with stored cross-site scripting, leads to account takeover. As of time of publication, no known patched versions are available.","status":"published","published":"2026-01-02T19:15:47.697Z","modified":"2026-06-17T10:18:39.43Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":9.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N","level":"critical","assessor":"primary"}],"cwes":["CWE-79","CWE-352"],"updated_at":"2026-11-02T14:12:03.683495Z"}],"osv":[{"id":"CVE-2026-21430","title":"Emlog: CSRF chained with stored XSS leads to ATO","description":"Emlog is an open source website building system. In version 2.5.23, article creation functionality is vulnerable to cross-site request forgery (CSRF). This can lead to a user being forced to post an article with arbitrary, attacker-controlled content. This, when combined with stored cross-site scripting, leads to account takeover. As of time of publication, no known patched versions are available.","status":"published","published":"2026-01-02T18:44:24.192Z","modified":"2026-10-28T02:31:09.234967334Z","cvss":[{"version":"4.0","score":7,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:H/VA:N/SC:N/SI:H/SA:N/E:P","level":"high"}],"cwes":["CWE-352","CWE-79"],"updated_at":"2026-11-02T15:44:58.42038Z"}]}}