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Fencer Intel
medium 4.3

CVE-2010-4949 json

Cross-site scripting (XSS) vulnerability in the (1) FreiChat component before 2.1.2 for Joomla!

published 15y ago modified 4mo ago also EUVD-2010-4913

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.7%
EPSS 1.7% chance of exploitation in 30 days, percentile 77%
public exploits
1
Exploit-DB

Summary

Cross-site scripting (XSS) vulnerability in the (1) FreiChat component before 2.1.2 for Joomla! and the (2) FreiChatPure component before 1.2.2 for Joomla! allows remote attackers to inject arbitrary web script or HTML by entering it in an unspecified window.

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Timeline

  1. First public exploit (EDB-34374)
  2. Published

Exploit prediction

1.69% chance of exploitation in the next 30 days, higher than 77% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • EDB-34374 Joomla! Component FreiChat 1.0/2.x - HTML Injection webapps, 2010-07-26
  • forum.joomla.org http://forum.joomla.org/viewtopic.php?p=2209586 referenced PoC, tagged "exploit" by a source, unverified
  • securityfocus.com http://www.securityfocus.com/bid/41961 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.