Joomla! 1.6.x before 1.6.2 allows remote attackers to obtain sensitive information via an empty Itemid array parameter to index.php, which…

published 2011-07-27 15 y ago modified 2026-06-16 4 mo ago also EUVD-2011-2865

cvss: 5.0; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.4%; EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits: 0; none known

Joomla! 1.6.x before 1.6.2 allows remote attackers to obtain sensitive information via an empty Itemid array parameter to index.php, which reveals the installation path in an error message, a different vulnerability than CVE-2011-2488.

Exploit prediction

1.39% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

bl0g.yehg.net http://bl0g.yehg.net/2011/04/joomla-161-and-lower-information.html referenced PoC, tagged "exploit" by a source, unverified
openwall.com http://www.openwall.com/lists/oss-security/2011/06/27/8 referenced PoC, tagged "exploit" by a source, unverified
openwall.com http://www.openwall.com/lists/oss-security/2011/06/27/6 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	2.0	5.0	AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Weakness

CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

bl0g.yehg.net /2011/04/joomla-161-and-lower-information.html
exploit
openwall.com /lists/oss-security/2011/06/27/8
mailing-list, exploit
openwall.com /lists/oss-security/2011/06/27/6
mailing-list, exploit
exchange.xforce.ibmcloud.com /vulnerabilities/68881
vdb-entry
developer.joomla.org /security/news/341-20110402-core-information-disclosure.html

Sources

CVE List CVE-2011-2891
NVD CVE-2011-2891

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.

Summary