WP Fastest Cache <= 1.1.2 - Missing Authorization in 'deleteCssAndJsCacheToolbar'

published 2023-04-06 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-24119

cvss: 4.3; 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 32%
public exploits: 0; none known

The WP Fastest Cache plugin for WordPress is vulnerable to unauthorized data loss due to a missing capability check on the deleteCssAndJsCacheToolbar function in versions up to, and including, 1.1.2. This makes it possible for authenticated attackers with subscriber-level access to perform cache deletion.

Patch / fix

links 1

plugins.trac.wordpress.org/changeset/2893158/wp-fastest-cache/trunk/wpFastestCache.ph… patch

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 21 mo ago (2025-01-13)

Exploit prediction

0.39% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
NVD	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Affected products

emrevona WP Fastest Cache – WordPress Cache Plugin

Classification

Weakness

CWE-862 Missing Authorization

Technology feeds

WordPress rss critical rss

References

Sources

CVE List CVE-2023-1931
NVD CVE-2023-1931

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