CVE-2026-102581
4.6
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Summary
A flaw was found in Moodle. Insufficient output escaping in templates used to display forum posts enables a stored cross-site scripting (XSS) vulnerability. An attacker can inject malicious content into a forum post, which then executes arbitrary script code in the browser of another user viewing the affected post.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
5.2.0 < 5.2.2 | affected | ||
5.1.0 < 5.1.6 | affected | ||
5.0.0 < 5.0.9 | affected | ||
0 < 4.5.13 | affected |
Weaknesses
- CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-88981
- https://access.redhat.com/security/cve/CVE-2026-102581
- https://bugzilla.redhat.com/show_bug.cgi?id=2543634
- https://moodle.org/mod/forum/discuss.php?d=482499
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