CVE-2012-0820 json
Cross-site scripting (XSS) vulnerability in Joomla!
published 2012-09-06 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-0846
- cvss
- 4.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
Summary
Cross-site scripting (XSS) vulnerability in Joomla! 1.6.x and 1.7.x before 1.7.4 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, a different vulnerability than CVE-2012-0822.
Patch / fix
Exploit prediction
1.60% chance of exploitation in the next 30 days, higher than 76% 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 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
joomla.org
/announcements/release-news/5405-joomla-174-released.html
patch
-
secunia.com
/advisories/47753
third-party-advisory, vendor-advisory
-
developer.joomla.org
/security/news/383-20120102-core-xss-vulnerability
vendor-advisory
-
openwall.com
/lists/oss-security/2012/01/26/4
mailing-list
-
osvdb.org
/78515
vdb-entry
-
openwall.com
/lists/oss-security/2012/01/25/1
mailing-list
-
openwall.com
/lists/oss-security/2012/01/26/2
mailing-list
-
openwall.com
/lists/oss-security/2012/01/30/1
mailing-list
- joomla.org /announcements/release-news/5403-joomla-250-released.html
Sources
- CVE List CVE-2012-0820
- NVD CVE-2012-0820
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.