CVE-2025-3636: Moodle: idor in moodle rss block allows unauthorized access to rss feeds
First published: Tue Apr 15 2025(Updated: )
A flaw was found in Moodle. This vulnerability allows unauthorized users to access and view RSS feeds due to insufficient capability checks.
Credit: patrick@puiterwijk.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Moodle | >=4.5<=4.5.3>=4.4<=4.4.7>=4.3<=4.3.11>=4.1<=4.1.17 | |
| composer/moodle/moodle | >=4.5.0-beta<4.5.4 | 4.5.4 |
| composer/moodle/moodle | >=4.4.0-beta<4.4.8 | 4.4.8 |
| composer/moodle/moodle | >=4.3.0-beta<4.3.12 | 4.3.12 |
| composer/moodle/moodle | <4.1.18 | 4.1.18 |
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Reference Links
- http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-84499
- https://access.redhat.com/security/cve/CVE-2025-3636
- https://bugzilla.redhat.com/show_bug.cgi?id=2359726
- https://nvd.nist.gov/vuln/detail/CVE-2025-3636
- https://github.com/moodle/moodle/commit/0bd97209ac5e217dbec236c73e4f6fdcaee1c737
- https://moodle.org/mod/forum/discuss.php?d=467598
- https://github.com/advisories/GHSA-chmf-m33p-ph8m (Advisory)
Frequently Asked Questions
What is the severity of CVE-2025-3636?
CVE-2025-3636 is considered a moderate severity vulnerability due to the potential for unauthorized access to sensitive information.
How do I fix CVE-2025-3636?
To fix CVE-2025-3636, upgrade your Moodle installation to version 4.5.4, 4.4.8, 4.3.12, or 4.1.18.
Which versions of Moodle are affected by CVE-2025-3636?
CVE-2025-3636 affects Moodle versions 4.5 to 4.5.3, 4.4 to 4.4.7, 4.3 to 4.3.11, and 4.1 to 4.1.17.
What type of vulnerability is CVE-2025-3636?
CVE-2025-3636 is a flaw related to insufficient capability checks that allow unauthorized access to RSS feeds.
Who can be impacted by CVE-2025-3636?
Users of the affected Moodle versions may be impacted as the vulnerability exposes unauthorized RSS feeds.
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