How severe is CVE-2011-2710?

CVE-2011-2710 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2011-2710 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-2710?

CVE-2011-2710 primarily affects Joomla Joomla!. In total, 49 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-2710?

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

When was CVE-2011-2710 published?

CVE-2011-2710 was published on 2011-07-27 and last updated on 2026-06-16.

CVE-2011-2710

CVE-2011-2710 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-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Joomla Joomla!
Published: 2011-07-27
Last modified: 2026-06-16

Description

Multiple cross-site scripting (XSS) vulnerabilities in Joomla! before 1.7.0 allow remote attackers to inject arbitrary web script or HTML via (1) the URI to includes/application.php, reachable through index.php; and, when Internet Explorer or Konqueror is used, (2) allow remote attackers to inject arbitrary web script or HTML via the searchword parameter in a search action to index.php in the com_search component. NOTE: vector 2 exists because of an incomplete fix for CVE-2011-2509.5.

Frequently asked questions

What is CVE-2011-2710?: Multiple cross-site scripting (XSS) vulnerabilities in Joomla! before 1.7.0 allow remote attackers to inject arbitrary web script or HTML via (1) the URI to includes/application.php, reachable through index.php; and, when Internet Explorer or Konqueror is used, (2) allow remote attackers to inject arbitrary web script or HTML via the searchword parameter in a search action to index.php in the com_search component. NOTE: vector 2 exists because of an incomplete fix for CVE-2011-2509.5.
How severe is CVE-2011-2710?: CVE-2011-2710 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2011-2710 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-2710?: CVE-2011-2710 primarily affects Joomla Joomla!. In total, 49 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-2710?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-2710 published?: CVE-2011-2710 was published on 2011-07-27 and last updated on 2026-06-16.

References

Affected products (49)

cpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.5.0:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.5.1:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.5.2:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.5.3:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.5.4:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.5.5:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.5.6:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.5.7:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.5.8:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.5.9:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.5.10:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.5.11:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.5.12:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.5.13:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.5.14:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.5.15:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.5.15:rc:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.5.16:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.5.17:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.5.18:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.5.19:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.5.20:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.5.21:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.5.22:*:*:*:*:*:*:*
cpe:2.3:a:joomla:joomla\!:1.5.23:*:*:*:*:*:*:*
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:*:*:*:*:*:*

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