How severe is CVE-2011-2892?

CVE-2011-2892 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2011-2892 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-2892?

CVE-2011-2892 primarily affects Joomla Joomla!. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-2892?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2011-2892 published?

CVE-2011-2892 was published on 2011-07-27 and last updated on 2026-06-16.

CVE-2011-2892

CVE-2011-2892 is a medium-severity vulnerability in Joomla Joomla! with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Joomla Joomla!
Published: 2011-07-27
Last modified: 2026-06-16

Description

Joomla! 1.6.x before 1.6.2 does not prevent page rendering inside a frame in a third-party HTML document, which makes it easier for remote attackers to conduct clickjacking attacks via a crafted web site.

Frequently asked questions

What is CVE-2011-2892?: Joomla! 1.6.x before 1.6.2 does not prevent page rendering inside a frame in a third-party HTML document, which makes it easier for remote attackers to conduct clickjacking attacks via a crafted web site.
How severe is CVE-2011-2892?: CVE-2011-2892 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-2892 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2892?: CVE-2011-2892 primarily affects Joomla Joomla!. In total, 20 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-2892?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-2892 published?: CVE-2011-2892 was published on 2011-07-27 and last updated on 2026-06-16.

References

Affected products (20)

cpe:2.3:a:joomla:joomla\!:1.6:alpha:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.6:alpha2:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.6:beta1:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.6:beta10:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.6:beta11:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.6:beta12:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.6:beta13:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.6:beta14:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.6:beta15:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.6:beta2:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.6:beta3:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.6:beta4:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.6:beta5:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.6:beta6:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.6:beta7:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.6:beta8:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.6:beta9:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.6:rc1:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.6.0:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.6.1:*:*:*:*:*:*:*

More vulnerabilities in Joomla Joomla!

CVE-2026-48904 — Critical (CVSS 9.8): An improper access check allows privelege escalation through the com_users group editing webservice endpoint.
CVE-2026-48902 — Critical (CVSS 9.8): The password and username reset features created plain http links for https connections if the "Force SSL" flag wasn't…
CVE-2026-48899 — Critical (CVSS 9.8): An improper access check allows privilege escalation through the com_users batch task.
CVE-2026-48898 — Critical (CVSS 9.8): An improper access check allows privilege escalation through the com_users batch task.
CVE-2026-40383 — Critical (CVSS 9.8): An improper validation of user-supplied input leads to a local file inclusion vulnerability.
CVE-2026-35223 — Critical (CVSS 9.8): An improper access check allows unauthorized access to com_config webservice endpoints.

All CVEs affecting Joomla Joomla! →

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →