CVE-2023-1929

MEDIUM EXPLOITED

WP Fastest Cache <1.1.2 - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2023-1929 has been observed exploited in the wild (reported by VulnCheck KEV).

Description

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

References (2)

Core 2

Scores

CVSS v3 4.3
EPSS 0.0039
EPSS Percentile 30.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

VulnCheck KEV 2023-04-06
CWE
CWE-862
Status published
Products (2)
emrevona/WP Fastest Cache – WordPress Cache Plugin < 1.1.2
wpfastestcache/wp_fastest_cache < 1.1.2
Published Apr 06, 2023
Tracked Since Feb 18, 2026