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Fencer Vulns
high 7.5

CVE-2024-40748 json

[20250102] - Core - XSS vector in the id attribute of menu lists

published 2025-01-07 22 mo ago modified 2026-09-08 2 mo ago also BIT-joomla-2024-40748 , EUVD-2024-38817

cvss
7.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 36%
public exploits
0
none known

Summary

Lack of output escaping in the id attribute of menu lists.

Patch / fix

  • bitnami joomla 5.2.3
  • joomla joomla! 3.10.20, 4.4.10, 5.2.3

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
22 mo ago

Exploit prediction

0.43% chance of exploitation in the next 30 days, higher than 36% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
OSV 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
bitnami joomla
>=3.9.0, <5.2.3
5.2.3

Affected products

  • Joomla! Project Joomla! CMS

Classification

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

References

Sources

Fencer Vulns 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.