CVE-2011-4278 json
Moodle XSS In Tag Autocomplete functionality
published 2012-07-16 14 y ago modified 2026-06-16 4 mo ago also GHSA-6656-6qwx-4c2m , EUVD-2022-2723
- 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 the tag autocomplete functionality in Moodle 1.9.x before 1.9.11 and 2.0.x before 2.0.2 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
Patch / fix
- packagist moodle/moodle 1.9.11, 2.0.2
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 | <1.9.11 >=2.0, <2.0.2 |
1.9.11 2.0.2 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/moodle/moodle/commit/34b93e39a64a68e4a676b93ccf2bd87a1d3b5ef8
web
-
github.com
/moodle/moodle/commit/fd29b2ad1c20906da00d7e523f39bc8a0358a65b
web
-
git.moodle.org
/gw?p=moodle.git;a=commit;h=fd29b2ad1c20906da00d7e523f39bc8a0358a65b
web
-
moodle.org
/mod/forum/discuss.php?d=170003
web, vendor-advisory
-
openwall.com
/lists/oss-security/2011/11/14/1
mailing-list, web
- git.moodle.org /gw?p=moodle.git%3Ba=commit%3Bh=fd29b2ad1c20906da00d7e523f39bc8a0358a65b
-
nvd.nist.gov
/vuln/detail/CVE-2011-4278
advisory
-
github.com
/moodle/moodle
package
Sources
- CVE List CVE-2011-4278
- GitHub Advisory GHSA-6656-6qwx-4c2m
- NVD CVE-2011-4278
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.