Description
Description information displayed in the site administration live log
required additional sanitizing to prevent a stored XSS risk.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Moodle Project | moodle | 4.5.0 – < 4.5.2, 4.4.0 – < 4.4.6, 4.3.0 – < 4.3.10, 4.1.0 – < 4.1.16 | 4.5.2 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | moodle | No fix yet | — |
| Ubuntu Pro 16.04 LTS | moodle | No fix yet | — |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 2 repositories
-
Astroo18/PoC-CVE-2025-26529 ★ 27 · Apr 12, 2025
SSRF to XSS - XSS to RCE Moodle
-
hxuu/moodle-cve ★ 3 · Jun 20, 2025
Web CTF challenge highlighting moodle CVE-2025-26529 (in 2 flavors)
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Packagist | moodle/moodle | >= 4.5.0-beta, < 4.5.2 | 4.5.2 | GHSA-wr88-x8cm-7cgq |
| Packagist | moodle/moodle | >= 4.4.0-beta, < 4.4.6 | 4.4.6 | GHSA-wr88-x8cm-7cgq |
| Packagist | moodle/moodle | >= 4.3.0-beta, < 4.3.10 | 4.3.10 | GHSA-wr88-x8cm-7cgq |
| Packagist | moodle/moodle | < 4.1.16 | 4.1.16 | GHSA-wr88-x8cm-7cgq |
Advisories 1
- WID-SEC-2025-0390 Moodle: Mehrere Schwachstellen BSI CERT-Bund (WID) · Feb 17, 2025