Is CVE-2011-4830 being actively exploited?

CVE-2011-4830 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-4830?

CVE-2011-4830 has a CVSS 2.0 base score of 3.5 (LOW).

CVE-2011-4830

LOW · CVSS 3.5EPSS 1.2%EU EUVD

Multiple cross-site scripting (XSS) vulnerabilities in the com_listing component in Barter Sites component 1.3 for Joomla! allow remote authenticated users to inject arbitrary web script or HTML via the (1) listing_title, (2) description, (3) homeurl (aka Website Address), (4) paystring (aka Payment types accepted), (5) sell_price, (6) shipping_cost, and (7) quantity parameters to index.php.

Key facts

CVSS score: 3.5 (v2.0)
Severity: LOW
CVSS vector: AV:N/AC:M/Au:S/C:N/I:P/A:N
Weakness (CWE): CWE-79
EPSS score: 1.2% (69th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-4748)
Published: December 15, 2011
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-4748 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

barter-sites / com listing
joomla / joomla!

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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