CVE-2020-29007

PoC ×3—

CVSS 3.1

9.8 critical

EPSS

2%p82

Published

Apr 15, 2023 (Apr 15, 2023)

Modified

Jun 17, 2026

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.

Vendors: mediawiki
Products: score
Weakness: CWE-94
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (2.3%)

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