Joomla Extension - regularlabs.com - Inconsistent CSRF token checks / privilege checks in Cache Cleaner extension

published 2026-07-23 3 mo ago modified 2026-10-24 15 d ago also EUVD-2026-47896

cvss: 5.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 2%
public exploits: 0; none known

Joomla Extension - regularlabs.com - Inconsistent CSRF token checks / privilege checks in Cache Cleaner extension - Administrator URL purges did not consistently require a valid token and cache-management permission.

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 3 mo ago (2026-07-24)

Exploit prediction

0.13% chance of exploitation in the next 30 days, higher than 2% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
CNA	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Affected products

regularlabs.com Cache Cleaner extension for Joomla

Classification

Weakness

CWE-352 Cross-Site Request Forgery
CWE-284 Improper Access Control

References

regularlabs.com /
product

Sources

CVE List CVE-2026-64871
NVD CVE-2026-64871

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.

Summary