CVE-2020-29007

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.

• CWE-94
• CWE-94

• https://github.com/seqred-s-a/cve-2020-29007Exploit, Mitigation, Third Party Advisory
• https://phabricator.wikimedia.org/T257062Exploit, Third Party Advisory
• https://seqred.pl/en/cve-2020-29007-remote-code-execution-in-mediawiki-score/Exploit, Third Party Advisory
• https://www.mediawiki.org/wiki/Extension:ScoreVendor Advisory
• https://www.mediawiki.org/wiki/Extension:Score/2021_security_advisoryVendor Advisory
• https://github.com/seqred-s-a/cve-2020-29007Exploit, Mitigation, Third Party Advisory
• https://phabricator.wikimedia.org/T257062Exploit, Third Party Advisory
• https://seqred.pl/en/cve-2020-29007-remote-code-execution-in-mediawiki-score/Exploit, Third Party Advisory
• https://www.mediawiki.org/wiki/Extension:ScoreVendor Advisory
• https://www.mediawiki.org/wiki/Extension:Score/2021_security_advisoryVendor Advisory

Published

Apr 15, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
• PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
• AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.

• CVE-2020-29001An issue was discovered on Geeni GNC-CW028 Camera 2.7.2, Gee…7.2
• CVE-2020-29002includes/CologneBlueTemplate.php in the CologneBlue skin for…4.8
• CVE-2020-29003The PollNY extension for MediaWiki through 1.35 allows XSS v…5.4
• CVE-2020-29004The API in the Push extension for MediaWiki through 1.35 did…8.8
• CVE-2020-29005The API in the Push extension for MediaWiki through 1.35 use…7.5
• CVE-2020-29006MISP before 2.4.135 lacks an ACL check, related to app/Contr…9.8
• CVE-2020-2901Vulnerability in the MySQL Server product of Oracle MySQL (c…4.9
• CVE-2020-29010An exposure of sensitive information to an unauthorized acto…5
• CVE-2020-29011Instances of SQL Injection vulnerabilities in the checksum s…8.8
• CVE-2020-29012An insufficient session expiration vulnerability in FortiSan…5.3
• CVE-2020-29013An improper input validation vulnerability in the sniffer in…5.4
• CVE-2020-29014A concurrent execution using shared resource with improper s…5.3