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CVE-2026-64871: Joomla Extension - regularlabs.com - Inconsistent CSRF token checks / privilege checks in Cache Cleaner extens

20
Routine
MEDIUM 5.4

CVE-2026-64871 is a medium-severity flaw (CVSS 5.4) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

  • No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score5.4 (Medium)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededLow
User interactionNone
EPSS exploit chance0.1% (top 97%)
CISA exploited listNo
WeaknessCWE-284, CWE-352
Published2026-07-23
Last modified2026-10-24
Publisher (CNA): Joomla! Project

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Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-64871?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-64871 being exploited?

CVE-2026-64871 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-64871 affect?

CVE-2026-64871 affects affected software. Severity is medium (CVSS 5.4). 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.

How urgent is CVE-2026-64871?

Priority 20/100. No elevated risk signals yet.

Software pages

Joomla vulnerabilities

References

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