CVE-2011-2509
Multiple cross-site scripting (XSS) vulnerabilities in Joomla! before 1.6.4 allow remote attackers to inject arbitrary web script or HTML…
- 4.3MediumCVSS base score
- 1.1%Exploitation in 30 daysEPSS · top 34% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Multiple cross-site scripting (XSS) vulnerabilities in Joomla! before 1.6.4 allow remote attackers to inject arbitrary web script or HTML via (1) the query string to the com_contact component, as demonstrated by the Itemid parameter to index.php; (2) the query string to the com_content component, as demonstrated by the filter_order parameter to index.php; (3) the query string to the com_newsfeeds component, as demonstrated by an arbitrary parameter to index.php; or (4) the option parameter in a reset.request action to index.php; and, when Internet Explorer or Konqueror is used, (5) allow remote attackers to inject arbitrary web script or HTML via the searchword parameter in a search action to index.php in the com_search component.
Timeline
ID reserved
By redhat
- 42 days later
· 42 days later
Published
- 13 years later
· 13 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
- EPSS (exploitation in 30 days)
- 1.1% · top 34% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Packagistjoomla/joomla-cmsGHSA-vcq7-x4wr-w2mj (opens in a new tab)
References
4
- http://yehg.net/lab/pr0js/advisories/joomla/core/%5Bjoomla_1.6.3%5D_cross_site_scripting%28XSS%29 (opens in a new tab)x_refsource_MISCx_transferred
- [oss-security] 20110628 CVE Request: Joomla! 1.6.3 and lower | Multiple Cross Site Scripting (XSS) Vulnerabilities (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- http://developer.joomla.org/security/news/352-20110604-xss-vulnerability.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20110629 Re: CVE Request: Joomla! 1.6.3 and lower | Multiple Cross Site Scripting (XSS) Vulnerabilities (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2011-2494 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-vcq7-x4wr-w2mj (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2011-2509)Record last updated .