{"id":"CVE-2020-29007","aliases":["EUVD-2020-21389","GHSA-v67w-wjqm-h9pj"],"status":"published","title":"The Score extension through 0.3.0 for MediaWiki has a remote code execution vulnerability due to...","description":"The Score extension through 0.3.0 for MediaWiki has a remote code execution vulnerability due to improper sandboxing of the GNU LilyPond executable. This allows any user with an ability to edit articles (potentially including unauthenticated anonymous users) to execute arbitrary Scheme or shell code by using crafted {{Image data to generate musical scores containing malicious code.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.02336,"percentile":0.83729,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-94"],"published":"2023-04-15T00:00:00Z","modified":"2026-06-17T03:10:58Z","exploits":[{"source":"pocgithub","id":"seqred-s-a/cve-2020-29007","title":"seqred-s-a/cve-2020-29007","date":"2020-12-08","url":"https://github.com/seqred-s-a/cve-2020-29007"}],"products":[{"vendor":"mediawiki","product":"score"}],"references":[{"url":"https://github.com/seqred-s-a/cve-2020-29007","tags":["x_transferred","Exploit","Mitigation","Third Party Advisory"]},{"url":"https://www.mediawiki.org/wiki/Extension:Score","tags":["x_transferred","Vendor Advisory"]},{"url":"https://phabricator.wikimedia.org/T257062","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"https://seqred.pl/en/cve-2020-29007-remote-code-execution-in-mediawiki-score/","tags":["x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.mediawiki.org/wiki/Extension:Score/2021_security_advisory","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-29007"},{"url":"https://seqred.pl/en/cve-2020-29007-remote-code-execution-in-mediawiki-score"},{"url":"https://github.com/advisories/GHSA-v67w-wjqm-h9pj"}],"sources":{"cve":[{"id":"CVE-2020-29007","description":"The Score extension through 0.3.0 for MediaWiki has a remote code execution vulnerability due to improper sandboxing of the GNU LilyPond executable. This allows any user with an ability to edit articles (potentially including unauthenticated anonymous users) to execute arbitrary Scheme or shell code by using crafted {{Image data to generate musical scores containing malicious code.","status":"published","published":"2023-04-15T00:00:00Z","modified":"2025-02-06T16:18:07.233Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:35:55.460269Z"}],"euvd":[{"id":"EUVD-2020-21389","description":"The Score extension through 0.3.0 for MediaWiki has a remote code execution vulnerability due to improper sandboxing of the GNU LilyPond executable. This allows any user with an ability to edit articles (potentially including unauthenticated anonymous users) to execute arbitrary Scheme or shell code by using crafted {{Image data to generate musical scores containing malicious code.","status":"published","published":"2023-04-15T00:00:00Z","modified":"2025-02-06T16:18:07Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:04:03.312509Z"}],"ghsa":[{"id":"GHSA-v67w-wjqm-h9pj","title":"The Score extension through 0.3.0 for MediaWiki has a remote code execution vulnerability due to...","description":"The Score extension through 0.3.0 for MediaWiki has a remote code execution vulnerability due to improper sandboxing of the GNU LilyPond executable. This allows any user with an ability to edit articles (potentially including unauthenticated anonymous users) to execute arbitrary Scheme or shell code by using crafted {{Image data to generate musical scores containing malicious code.","status":"published","published":"2023-04-16T00:30:25Z","modified":"2024-04-04T03:30:14Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:56:15.423381Z"}],"nvd":[{"id":"CVE-2020-29007","description":"The Score extension through 0.3.0 for MediaWiki has a remote code execution vulnerability due to improper sandboxing of the GNU LilyPond executable. This allows any user with an ability to edit articles (potentially including unauthenticated anonymous users) to execute arbitrary Scheme or shell code by using crafted {{Image data to generate musical scores containing malicious code.","status":"published","published":"2023-04-15T22:15:06.977Z","modified":"2026-06-17T03:10:58.197Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:06:47.910346Z"}]}}