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Fencer Vulns
medium 6.1

CVE-2024-21725 json

[20240204] - Core - XSS in mail address outputs

published 2024-02-20 2 y ago modified 2026-09-08 2 mo ago also BIT-joomla-2024-21725 , EUVD-2024-19341

cvss
6.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
26.8%
EPSS 26.8% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known

Summary

Inadequate escaping of mail addresses lead to XSS vulnerabilities in various components.

Patch / fix

  • bitnami joomla 5.0.3
  • joomla joomla! 4.4.3, 5.0.3

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

26.81% chance of exploitation in the next 30 days, higher than 98% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
OSV 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
bitnami joomla
>=4.0.0, <5.0.3
5.0.3

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.