{"id":"CVE-2023-36675","aliases":["BIT-mediawiki-2023-36675","DEBIAN-CVE-2023-36675","DSA-5447-1","EUVD-2023-40618","GHSA-q7gg-775p-p35h","MGASA-2023-0241","UBUNTU-CVE-2023-36675"],"status":"published","title":"An issue was discovered in MediaWiki before 1.35.11, 1.36.x through 1.38.x before 1.38.7, 1.39.x...","description":"An issue was discovered in MediaWiki before 1.35.11, 1.36.x through 1.38.x before 1.38.7, and 1.39.x before 1.39.4. BlockLogFormatter.php in BlockLogFormatter allows XSS in the partial blocks feature.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.00829,"percentile":0.57775,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2023-06-26T00:00:00Z","modified":"2026-10-28T02:30:38Z","fixes":[{"ecosystem":"Bitnami","package":"mediawiki","fixed_in":["1.35.11","1.38.7","1.39.4"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"mediawiki","fixed_in":["1:1.39.4-1~deb12u1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"mediawiki","fixed_in":["1:1.39.4-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"mediawiki","fixed_in":["1:1.39.4-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Bitnami","package":"mediawiki","ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"1.35.11"},{"introduced":"1.36.0"},{"fixed":"1.38.7"},{"introduced":"1.39.0"},{"fixed":"1.39.4"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.39.4-1~deb12u1"}]}],"versions":["1:1.39.2-1"]},{"source":"osv","ecosystem":"Debian:13","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.39.4-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.39.4-1"}]}]},{"source":"osv","ecosystem":"Debian:11","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.35.11-1~deb11u1"}]}],"versions":["1:1.35.2-1","1:1.35.3-1","1:1.35.4-1","1:1.35.4-1+deb11u2","1:1.35.4-1~deb11u1","1:1.35.5-1","1:1.35.5-2","1:1.35.6-1","1:1.35.7-1","1:1.35.8-1","1:1.35.8-1.1","1:1.35.8-1~deb11u1"],"bundled":3},{"source":"osv","ecosystem":"Debian:12","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:1.39.4-1~deb12u1"}]}],"versions":["1:1.39.2-1"],"bundled":3},{"source":"osv","ecosystem":"Mageia:8","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.35.11-1.mga8"}]}],"bundled":3},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.27.3-1","1:1.27.4-1","1:1.27.4-2","1:1.27.4-3"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.31.2-1ubuntu1","1:1.31.5-1","1:1.31.5-1ubuntu1","1:1.31.5-2","1:1.31.5-3","1:1.31.5-3ubuntu1","1:1.31.6-1","1:1.31.7-1","1:1.31.7-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.35.3-1","1:1.35.4-1","1:1.35.5-1","1:1.35.5-1ubuntu1","1:1.35.5-1ubuntu2","1:1.35.5-1ubuntu3","1:1.35.6-1","1:1.35.6-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.39.4-2","1:1.39.5-1","1:1.39.6-1","1:1.39.7-1","1:1.39.7-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:25.10","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.43.1+dfsg-1","1:1.43.1+dfsg-2","1:1.43.3+dfsg-1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.43.8+dfsg-2","1:1.43.9+dfsg-1","1:1.43.9+dfsg-1ubuntu1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"mediawiki","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:1.43.3+dfsg-1","1:1.43.5+dfsg-1","1:1.43.6+dfsg-2","1:1.43.8+dfsg-1","1:1.43.8+dfsg-2"]}],"products":[{"vendor":"mediawiki","product":"mediawiki"}],"references":[{"url":"https://phabricator.wikimedia.org/T332889","tags":["x_transferred","Exploit","Issue Tracking","web","report"]},{"url":"https://www.mediawiki.org/wiki/Release_notes/1.40#Other_changes_in_1.40","tags":["x_transferred","Vendor Advisory","web"]},{"url":"https://www.debian.org/security/2023/dsa-5447","tags":["vendor-advisory","x_transferred","Third Party Advisory","web","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DOAXEGYBOEM4JWB4J3BDH73NK2LCYC3O/","tags":["vendor-advisory","x_transferred","web","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2UIVGYECQGTUC2LLPVCZBPDLCTOHL2F6/","tags":["vendor-advisory","x_transferred","web","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6CHRX6DSLAMVXCV2YMJEWOLTBEYSESE5/","tags":["vendor-advisory","x_transferred","web","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-36675","tags":["web","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2UIVGYECQGTUC2LLPVCZBPDLCTOHL2F6"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6CHRX6DSLAMVXCV2YMJEWOLTBEYSESE5"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DOAXEGYBOEM4JWB4J3BDH73NK2LCYC3O"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2UIVGYECQGTUC2LLPVCZBPDLCTOHL2F6"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6CHRX6DSLAMVXCV2YMJEWOLTBEYSESE5"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DOAXEGYBOEM4JWB4J3BDH73NK2LCYC3O"},{"url":"https://github.com/advisories/GHSA-q7gg-775p-p35h"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/36xxx/CVE-2023-36675.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2023-36675","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2023-0241.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=32083","tags":["report"]},{"url":"https://lists.wikimedia.org/hyperkitty/list/mediawiki-announce@lists.wikimedia.org/thread/HVT3U3XYY35PSCIQPHMY4VQNF3Q6MHUO/","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2023-36675","tags":["report"]},{"url":"https://gerrit.wikimedia.org/r/c/mediawiki/core/+/921452","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-36675","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-36675","description":"An issue was discovered in MediaWiki before 1.35.11, 1.36.x through 1.38.x before 1.38.7, and 1.39.x before 1.39.4. BlockLogFormatter.php in BlockLogFormatter allows XSS in the partial blocks feature.","status":"published","published":"2023-06-26T00:00:00Z","modified":"2024-12-05T15:25:03.755Z","updated_at":"2026-11-02T14:35:27.810438Z"}],"euvd":[{"id":"EUVD-2023-40618","description":"An issue was discovered in MediaWiki before 1.35.11, 1.36.x through 1.38.x before 1.38.7, and 1.39.x before 1.39.4. BlockLogFormatter.php in BlockLogFormatter allows XSS in the partial blocks feature.","status":"published","published":"2023-06-26T00:00:00Z","modified":"2024-12-05T15:25:03Z","updated_at":"2026-11-03T00:04:40.064683Z"}],"ghsa":[{"id":"GHSA-q7gg-775p-p35h","title":"An issue was discovered in MediaWiki before 1.35.11, 1.36.x through 1.38.x before 1.38.7, 1.39.x...","description":"An issue was discovered in MediaWiki before 1.35.11, 1.36.x through 1.38.x before 1.38.7, 1.39.x before 1.39.4, and 1.40.x before 1.40.1. BlockLogFormatter.php in BlockLogFormatter allows XSS in the partial blocks feature.","status":"published","published":"2023-06-26T03:30:21Z","modified":"2024-04-04T05:09:27Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:56:30.04858Z"}],"nvd":[{"id":"CVE-2023-36675","description":"An issue was discovered in MediaWiki before 1.35.11, 1.36.x through 1.38.x before 1.38.7, and 1.39.x before 1.39.4. BlockLogFormatter.php in BlockLogFormatter allows XSS in the partial blocks feature.","status":"published","published":"2023-06-26T01:15:09.203Z","modified":"2026-06-17T06:06:48.83Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:08:12.414559Z"}],"osv":[{"id":"DEBIAN-CVE-2023-36675","description":"An issue was discovered in MediaWiki before 1.35.11, 1.36.x through 1.38.x before 1.38.7, and 1.39.x before 1.39.4. BlockLogFormatter.php in BlockLogFormatter allows XSS in the partial blocks feature.","status":"published","published":"2023-06-26T01:15:09.203Z","modified":"2026-10-26T18:02:29.53085919Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:45:39.980321Z"},{"id":"UBUNTU-CVE-2023-36675","description":"An issue was discovered in MediaWiki before 1.35.11, 1.36.x through 1.38.x before 1.38.7, and 1.39.x before 1.39.4. BlockLogFormatter.php in BlockLogFormatter allows XSS in the partial blocks feature.","status":"published","published":"2023-06-26T01:15:00Z","modified":"2026-10-17T12:56:24.144026183Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T16:54:21.882004Z"},{"id":"BIT-mediawiki-2023-36675","description":"An issue was discovered in MediaWiki before 1.35.11, 1.36.x through 1.38.x before 1.38.7, and 1.39.x before 1.39.4. BlockLogFormatter.php in BlockLogFormatter allows XSS in the partial blocks feature.","status":"published","published":"2024-03-06T11:01:13.36Z","modified":"2025-04-03T14:40:37.652Z","updated_at":"2026-11-02T15:28:33.072289Z"},{"id":"CVE-2023-36675","description":"An issue was discovered in MediaWiki before 1.35.11, 1.36.x through 1.38.x before 1.38.7, and 1.39.x before 1.39.4. BlockLogFormatter.php in BlockLogFormatter allows XSS in the partial blocks feature.","status":"published","published":"2023-06-26T00:00:00Z","modified":"2026-10-28T02:30:38.413146017Z","updated_at":"2026-11-02T15:44:32.510144Z"},{"id":"DSA-5447-1","title":"mediawiki - security update","status":"published","published":"2023-07-05T00:00:00Z","modified":"2026-03-09T02:09:50.008099Z","updated_at":"2026-11-02T15:46:17.892347Z"},{"id":"MGASA-2023-0241","title":"Updated mediawiki packages fix security vulnerability","description":"guzzlehttp/psr7 is a PSR-7 HTTP message library implementation in PHP.\nAffected versions are subject to improper header parsing. An attacker\ncould sneak in a newline (\\n) into both the header names and values.\nWhile the specification states that \\r\\n\\r\\n is used to terminate the\nheader list, many servers in the wild will also accept \\n\\n\n(CVE-2023-29197).\n\nManualthumb bypasses badFile lookup (CVE-2023-36674).\n\nXSS in BlockLogFormatter due to unsafe message use (CVE-2023-36675).\n","status":"published","published":"2023-07-26T22:07:49Z","modified":"2026-04-16T04:40:59.67570918Z","updated_at":"2026-11-02T15:49:42.263076Z"}]}}