CVE-2011-2509

mediumpriority · track · 17EPSS 0.011 · 65 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.09% (65th) EPSS

CVSS 4.3 · medium

Is it mine?

30 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-28

Multiple cross-site scripting (XSS) vulnerabilities in Joomla! before 1.6.4 allow remote attackers to inject arbitrary web script or HTML via (1) the query string to the com_contact component, as demonstrated by the Itemid parameter to index.php; (2) the query string to the com_content component, as demonstrated by the filter_order parameter to index.php; (3) the query string to the com_newsfeeds component, as demonstrated by an arbitrary parameter to index.php; or (4) the option parameter in a reset.request action to index.php; and, when Internet Explorer or Konqueror is used, (5) 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.

cvss

Technical severity, 0–10. One row per scoring source.

4.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.7–4.3

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v2.03.7lowAV:N/AC:M/Au:N/C:N/I:P/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-79US

affected products (30)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
joomla joomla!≤ 1.6.3nvdUScpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
joomla joomla!= 1.5.0nvdUScpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
joomla joomla!= 1.5.1nvdUScpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
joomla joomla!= 1.5.10nvdUScpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
joomla joomla!= 1.5.11nvdUScpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
joomla joomla!= 1.5.12nvdUScpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
joomla joomla!= 1.5.13nvdUScpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
joomla joomla!= 1.5.14nvdUScpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
joomla joomla!= 1.5.15nvdUScpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
joomla joomla!= 1.5.16nvdUScpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
joomla joomla!= 1.5.17nvdUScpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
joomla joomla!= 1.5.18nvdUScpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
joomla joomla!= 1.5.19nvdUScpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
joomla joomla!= 1.5.2nvdUScpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
joomla joomla!= 1.5.20nvdUScpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
joomla joomla!= 1.5.21nvdUScpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
joomla joomla!= 1.5.22nvdUScpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
joomla joomla!= 1.5.23nvdUScpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*
joomla joomla!= 1.5.3nvdUScpe:2.3:a:joomla:joomla\!:*:*:*:*:*:*:*:*

showing 20 of 30

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-vcq7-x4wr-w2mjJoomla! vulnerable to Cross-site Scripting2022-05-14ghsa · osvUS
Multiple cross-site scripting (XSS) vulnerabilities in Joomla! before 1.6.4 allow remote attackers to inject arbitrary web script or HTML via (1) the query string to the com_contact component, as demonstrated by the Itemid parameter to index.php; (2) the query string to the com_content component, as demonstrated by the filter_order parameter to index.php; (3) the query string to the com_newsfeeds component, as demonstrated by an arbitrary parameter to index.php; or (4) the option parameter in a reset.request action to index.php; and, when Internet Explorer or Konqueror is used, (5) 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.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2011-07-27modified 2026-06-16

related (53,066)

Related entries.

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An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0 and 10.0 and 10.1. A Cross-Site Scripting (XSS) vulnerability in the Zimbra Classic UI allows attackers to exec…
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+53061 more

references (11)

External citations — patches, advisories, analysis.

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