CRITICAL

CVE-2020-29007

CVSS v3

9.8

CRITICAL

EPSS Score

2.3 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2020-29007 yet.

Full record on NVD

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.

Technical details

Published: 2023-04-15

Frequently asked questions

What is CVE-2020-29007?

Is CVE-2020-29007 actively exploited?

Active exploitation of CVE-2020-29007 has not been confirmed. Its EPSS score was 2.3% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-29007?

CVE-2020-29007 has a CVSS v3 base score of 9.8 (CRITICAL severity).

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