CVE-2011-2891 Information disclosure in n/a
Remote attackers can obtain sensitive installation path information via an empty Itemid parameter in Joomla, requiring an upgrade to fix.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2011-2891?
CVE-2011-2891 is a medium-severity vulnerability in Joomla Joomla\!, published on 27 Jul 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-200
Which versions are affected by CVE-2011-2891?
It affects 1 product.
Products include Joomla Joomla\!.
How do I fix CVE-2011-2891?
No fix has been published for CVE-2011-2891 yet. Limit exposure of the affected software until one is available.
Is CVE-2011-2891 being exploited?
There is no known exploitation of CVE-2011-2891 in the wild and no public exploit code.
Other vulnerabilities in Joomla Joomla\!
- CVE-2016-10033 PHPMailer Command Injection
- CVE-2023-23752 Joomla! Improper Access Control
- CVE-2026-48902 Joomla! Core - [20260518] - Transport encryption downgrade for password and username reset links
- CVE-2025-25226 [20250401] - Joomla Framework - SQL injection vulnerability in quoteNameStr method of Database package
- CVE-2022-23795 [20220303] - Core - User row are not bound to a authentication mechanism
Sources
Also known as GHSA-xx4v-fp2m-hmpv.