CVE-2025-26530
Moodle allows reflected XSS via question bank filter
8.3
HIGH
CVSS 3.1
EPSS 0.96%
Description
The question bank filter required additional sanitizing to prevent a reflected XSS risk.
How to fix CVE-2025-26530
To remediate CVE-2025-26530, upgrade the affected package to a fixed version below.
- Bitnami/moodle—upgrade to 4.3.10 or later
- Packagist/moodle/moodle—upgrade to 4.5.2 or later
Is CVE-2025-26530 being exploited?
Low — EPSS is 1.0%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 4.3.0, < 4.3.10, >= 4.4.0, < 4.4.6, >= 4.5.0, < 4.5.2
- >= 4.5.0-beta, < 4.5.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.3 | CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H |