CVE-2011-4909 json
Multiple cross-site scripting (XSS) vulnerabilities in Joomla!
published 2012-10-07 14 y ago modified 2026-06-16 4 mo ago also EUVD-2011-4820
- cvss
- 4.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.9%
- EPSS 1.9% chance of exploitation in 30 days, percentile 79%
- public exploits
- 1
- Exploit-DB
Summary
Multiple cross-site scripting (XSS) vulnerabilities in Joomla! before 1.5.12 allow remote attackers to inject arbitrary web script or HTML via the HTTP_REFERER header to (1) components/com_content/views/article/tmpl/form.php, (2) components/com_user/controller.php, (3) plugins/system/legacy/html.php, or (4) templates/beez/html/com_content/article/form.php.
Timeline
- First public exploit (EDB-33061)
- Published
Exploit prediction
1.88% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- EDB-33061 Joomla! 1.5.x - Cross-Site Scripting / Information Disclosure webapps, 2009-06-01
- archives.neohapsis.com http://archives.neohapsis.com/archives/bugtraq/2009-07/0012.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
archives.neohapsis.com
/archives/bugtraq/2009-07/0012.html
mailing-list, exploit
-
secunia.com
/advisories/35668
third-party-advisory, vendor-advisory
- developer.joomla.org /security/news/298-20090604-core-frontend-xss-httpreferer-not-properly-filtered.html
-
osvdb.org
/55589
vdb-entry
-
openwall.com
/lists/oss-security/2011/12/25/8
mailing-list
-
securityfocus.com
/bid/35544
vdb-entry
-
openwall.com
/lists/oss-security/2011/12/25/3
mailing-list
Sources
- CVE List CVE-2011-4909
- NVD CVE-2011-4909
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.