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CVE-2025-67850

Moodle: moodle: cross-site scripting vulnerability via inadequate input filtering in formula editor

Published: Feb 3, 2026Updated: Feb 11, 2026 Sources: CVE List NVD GHSA BDUCWE-79
NVD MITRE
7.3CVSSHIGH
EPSS Score
0.3%
Top 79.6%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A flaw was found in moodle. This vulnerability, known as Cross-Site Scripting (XSS), occurs due to insufficient checks on user-provided data in the formula editor's arithmetic expression fields. A remote attacker could inject malicious code into these fields. When other users view these expressions, the malicious code would execute in their web browsers, potentially compromising their data or leading to unauthorized actions.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:RS:UC:HI:HA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:NAvailability
None
Open in CVSS calculator →

Weaknesses

CWE-79

Affected Products

MoodleМартин ДогиамасWeb & CMS Plugins
moodle/moodlePackagist
Web App
Web & CMS Plugins / cms-core
moodlemoodle
On-premWeb App
Web & CMS Plugins / cms-core
мартин догиамасindividual-devAUWeb & CMS Pluginsaka martin dogiamas
packagistpackage-ecosystemOSS Libraries
moodleoss-projectAUWeb & CMS Pluginsaka jmol plugin, lms

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://access.redhat.com/security/cve/CVE-2025-67850
access.redhat.com
https://bugzilla.redhat.com/show_bug.cgi?id=2423838
bugzilla.redhat.com
https://github.com/search?q=repo%3Amoodle%2Fmoodle+MDL-85557&type=commits
github.com
and 4 more references View all →

Timeline

Published
Feb 3, 2026
Last Updated
Feb 11, 2026

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