CVE-2011-4809 json
Multiple cross-site scripting (XSS) vulnerabilities in the HM Community (com_hmcommunity) component before 1.01 for Joomla!
published 2011-12-14 14 y ago modified 2026-06-16 4 mo ago also EUVD-2011-4727
- cvss
- 4.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 74%
- public exploits
- 1
- Exploit-DB
Summary
Multiple cross-site scripting (XSS) vulnerabilities in the HM Community (com_hmcommunity) component before 1.01 for Joomla! allow remote attackers to inject arbitrary web script or HTML via the (1) language[], (2) university[], (3) persent[], (4) company_name[], (5) designation[], (6) music[], (7) books[], (8) movies[], (9) games[], (10) syp[], (11) ft[], and (12) fa[] parameters in a save task for a profile to index.php. NOTE: some of these details are obtained from third party information.
Timeline
- First public exploit (EDB-18050)
- Published
Exploit prediction
1.49% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- EDB-18050 Joomla! Component HM Community - Multiple Vulnerabilities webapps, 2011-10-31
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
-
exploit-db.com
/exploits/18050
exploit
-
secunia.com
/advisories/46656
third-party-advisory, vendor-advisory
- joomlaextensions.co.in /index.php?option=com_jeshop&view=category_detail&Itemid=118&id=38
-
osvdb.org
/76726
vdb-entry
Sources
- CVE List CVE-2011-4809
- NVD CVE-2011-4809
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.