Cross-Site Request Forgery Vulnerability in WP Fastest Cache Plugin for WordPress
CVE-2023-1920

4.3MEDIUM

Key Information:

Vendor

Wordpress
Status
WP Fastest Cache
Vendor
CVE Published:
6 April 2023

What is CVE-2023-1920?

The WP Fastest Cache plugin for WordPress suffers from a Cross-Site Request Forgery vulnerability due to insufficient nonce validation in the wpfc_purgecache_varnish_callback function. This flaw allows unauthorized attackers to issue a cache purge request, potentially disrupting site performance. The exploit requires user interaction, as attackers need to trick site administrators into executing malicious links, resulting in unauthorized cache management.

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Affected Version(s)

WP Fastest Cache * <= 1.1.2

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset/2893158/wp-f...

CVSS V3.1

Score:
4.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Marco Wotschka
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