{"id":"CVE-2026-8857","aliases":["EUVD-2026-41023","GHSA-q6xp-j96f-7vmp"],"status":"published","title":"Full RCE using EasyTimeline Extension","description":"A vulnerability in Wikimedia Foundation timeline.\n\n This vulnerability is associated with program files scripts/EasyTimeline.Pl, includes/Timeline.Php.\n\n\n\nThis issue affects timeline: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.","severity":{"version":"4.0","score":0,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N","level":"none","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.02098,"percentile":0.81842,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-94"],"published":"2026-07-01T15:08:49Z","modified":"2026-10-27T02:30:33Z","exploits":[{"source":"nuclei","id":"CVE-2026-8857","title":"MediaWiki EasyTimeline - Code Injection RCE","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2026/CVE-2026-8857.yaml"}],"products":[{"vendor":"mediawiki","product":"mediawiki"},{"vendor":"wikimedia foundation","product":"timeline"}],"references":[{"url":"https://phabricator.wikimedia.org/T426631","tags":["Exploit","Third Party Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-8857"},{"url":"https://github.com/advisories/GHSA-q6xp-j96f-7vmp"}],"sources":{"cve":[{"id":"CVE-2026-8857","title":"Full RCE using EasyTimeline Extension","description":"A vulnerability in Wikimedia Foundation timeline.\n\n This vulnerability is associated with program files scripts/EasyTimeline.Pl, includes/Timeline.Php.\n\n\n\nThis issue affects timeline: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.","status":"published","published":"2026-07-01T15:08:49.425Z","modified":"2026-07-01T15:49:55.764Z","cvss":[{"version":"4.0","score":0,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N","level":"none","assessor":"cna"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T13:48:02.226896Z"}],"euvd":[{"id":"EUVD-2026-41023","description":"A vulnerability in Wikimedia Foundation timeline.\n\n This vulnerability is associated with program files scripts/EasyTimeline.Pl, includes/Timeline.Php.\n\n\n\nThis issue affects timeline: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.","status":"published","published":"2026-07-01T15:08:49Z","modified":"2026-07-01T15:49:55Z","updated_at":"2026-11-02T18:20:19.446061Z"}],"ghsa":[{"id":"GHSA-q6xp-j96f-7vmp","title":"A vulnerability in Wikimedia Foundation timeline.\n\n This vulnerability is associated with program...","description":"A vulnerability in Wikimedia Foundation timeline.\n\n This vulnerability is associated with program files scripts/EasyTimeline.Pl, includes/Timeline.Php.\n\n\n\nThis issue affects timeline: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.","status":"published","published":"2026-07-01T18:31:51Z","modified":"2026-07-09T18:31:27Z","cvss":[{"version":"4.0","score":0,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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":"none"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T15:09:21.623271Z"}],"nvd":[{"id":"CVE-2026-8857","description":"A vulnerability in Wikimedia Foundation timeline.\n\n This vulnerability is associated with program files scripts/EasyTimeline.Pl, includes/Timeline.Php.\n\n\n\nThis issue affects timeline: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.","status":"published","published":"2026-07-01T16:16:53.847Z","modified":"2026-10-25T17:10:00.197Z","cvss":[{"version":"4.0","score":0,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/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":"none","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:12:27.199837Z"}],"osv":[{"id":"CVE-2026-8857","description":"A vulnerability in Wikimedia Foundation timeline.\n\n This vulnerability is associated with program files scripts/EasyTimeline.Pl, includes/Timeline.Php.\n\n\n\nThis issue affects timeline: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.","status":"published","published":"2026-07-01T16:16:53.847Z","modified":"2026-10-27T02:30:33.029547243Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:19.210277Z"}]}}