Medium severity6.1OSV Advisory· Published Feb 17, 2023· Updated Jun 17, 2026
CVE-2023-23921
CVE-2023-23921
Description
The vulnerability was found Moodle which exists due to insufficient sanitization of user-supplied data in some returnurl parameters. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website. This flaw allows a remote attacker to perform cross-site scripting (XSS) attacks.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
moodle/moodlePackagist | < 3.9.19 | 3.9.19 |
moodle/moodlePackagist | >= 3.10.0, < 3.11.12 | 3.11.12 |
moodle/moodlePackagist | >= 4.0.0-beta, < 4.0.6 | 4.0.6 |
moodle/moodlePackagist | >= 4.1.0-beta, < 4.1.1 | 4.1.1 |
Affected products
5- osv-coords2 versions
>= 3.9.0, < 3.9.19+ 1 more
- (no CPE)range: >= 3.9.0, < 3.9.19
- (no CPE)range: < 3.9.19
Patches
Vulnerability mechanics
References
4- moodle.org/mod/forum/discuss.phpnvdPatchVendor AdvisoryWEB
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingThird Party AdvisoryWEB
- github.com/advisories/GHSA-97qf-pq7x-964mghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2023-23921ghsaADVISORY
News mentions
0No linked articles in our index yet.