Vulnerability · Published Nov 9, 2023 · Assigned by fedora
CVE-2023-5546Moodle: stored xss in quiz grading report via user id number
Medium 4.3
In plain English
A medium-severity cross-site scripting in moodle. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.3% (higher than 71% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)1.3%top 29.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack tooling1Public PoC
Official description
ID numbers displayed in the quiz grading report required additional sanitizing to prevent a stored XSS risk.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Packagist | moodle/moodle | 4.3.0-rc2 | GHSA-9724-h8p7-r3jv |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| moodle | 4.2.0 – before 4.2.34.1.0 – before 4.1.64.0.0 – before 4.0.11 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
References
- http://git.moodle.org/gw?p=moodle.git&a=search&h=HEAD&st=commit&s=MDL-78971
- RHBZ#2243445 issue-tracking, x_refsource_REDHAT
- https://moodle.org/mod/forum/discuss.php?d=451587