CVE-2011-4306 json
Moodle XSS Vulnerability
published 2012-07-11 14 y ago modified 2026-06-16 4 mo ago also GHSA-r729-mx2r-j26j , EUVD-2022-5120
- cvss
- 4.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 79%
- public exploits
- 0
- none known
Summary
Cross-site scripting (XSS) vulnerability in course/editsection.html in Moodle 1.9.x before 1.9.14 allows remote authenticated users to inject arbitrary web script or HTML via crafted data.
Patch / fix
- packagist moodle/moodle 1.9.14
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2011-4306 updated cvss 4.3
moodle: Multiple security fixes in 2.1.2, 2.0.5, and 1.9.14
-
Red Hat All currently supported Red Hat productsnot affected: vulnerable code not present
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
1.83% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | moodle/moodle | <1.9.14 |
1.9.14 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/moodle/moodle/commit/4a2acd8c7e6c869d5fd5aa686e6e0a3f20c97f15
web
-
git.moodle.org
/gw?p=moodle.git;a=commit;h=4a2acd8c7e6c869d5fd5aa686e6e0a3f20c97f15
web
-
moodle.org
/mod/forum/discuss.php?d=188319
web, vendor-advisory
-
git.moodle.org
/gw?p=moodle.git%3Ba=commit%3Bh=4a2acd8c7e6c869d5fd5aa686e6e0a3f20c97f15
web
-
bugzilla.redhat.com
/show_bug.cgi?id=747444
web
-
nvd.nist.gov
/vuln/detail/CVE-2011-4306
advisory
Sources
- CVE List CVE-2011-4306
- GitHub Advisory GHSA-r729-mx2r-j26j
- NVD CVE-2011-4306
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.