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Fencer Vulns
medium 6.1

CVE-2022-27913 json

[20221002] - Core - RXSS through reflection of user input in headings

published 2022-10-25 4 y ago modified 2026-09-08 2 mo ago also BIT-joomla-2022-27913 , EUVD-2022-32401

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 38%
public exploits
0
none known

Summary

An issue was discovered in Joomla! 4.2.0 through 4.2.3. Inadequate filtering of potentially malicious user input leads to reflected XSS vulnerabilities in various components.

Exploit prediction

0.44% chance of exploitation in the next 30 days, higher than 38% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 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, <=4.2.3
no fix listed

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.