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Fencer Intel
medium 4.3

CVE-2013-5583 json

Joomla! Cross-site Scripting vulnerability

published 12y ago modified 4mo ago also GHSA-5xmg-w578-gq5j , EUVD-2013-5423

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.5%
EPSS 1.5% chance of exploitation in 30 days, percentile 74%
public exploits
0
none known

Summary

Cross-site scripting (XSS) vulnerability in libraries/idna_convert/example.php in Joomla! 3.1.5 allows remote attackers to inject arbitrary web script or HTML via the lang parameter.

Patch / fix

  • packagist joomla/joomla-cms 3.1.6

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Exploit prediction

1.48% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • disse.cting.org http://disse.cting.org/2013/08/05/joomla-core-3_1_5_reflected-xss-vulnerability/ 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

Affected packages

ecosystem package affected fixed in
packagist joomla/joomla-cms
<3.1.6
3.1.6

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.