CVE-2023-1929 WP Fastest Cache <= 1.1.2 - Missing Authorization in 'wpfc_purgecache_varnish_callback'

What is CVE-2023-1929?

CVE-2023-1929 is a medium-severity missing authorization vulnerability in emrevona WP Fastest Cache – WordPress Cache Plugin, published on 6 Apr 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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.

Weakness: CWE-862

Which versions are affected by CVE-2023-1929?

It affects 1 product.

Products include Wpfastestcache Wp Fastest Cache.

How do I fix CVE-2023-1929?

No fix has been published for CVE-2023-1929 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2023-1929 being exploited?

There is no known exploitation of CVE-2023-1929 in the wild and no public exploit code.

Other vulnerabilities in emrevona WP Fastest Cache – WordPress Cache Plugin

• CVE-2015-9316 SQL injection in n/a Critical 9.8
• CVE-2019-13635 Path traversal in n/a Critical 9.1
• CVE-2021-24869 WP Fastest Cache < 0.9.5 - Subscriber+ SQL Injection High 8.8
• CVE-2023-1938 WP Fatest Cache < 1.1.5 - Blind SSRF via CSRF High 8.8
• CVE-2018-17584 Cross-site request forgery in n/a High 8.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-9r7g-xc2c-7hx6.