CVE-2020-36836: wp fastest cache CSRF

Description

The WP Fastest Cache plugin for WordPress is vulnerable to unauthorized arbitrary file deletion in versions up to, and including, 0.9.0.2 due to a lack of capability checking and insufficient path validation. This makes it possible for authenticated users with minimal permissions to delete arbitrary files from the server.

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CVSS v3.1 Score

8.0

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-352 Cross-Site Request Forgery

CWE-22 Path Traversal

Affected Products

Vendor	Product	Versions
wpfastestcache	wp_fastest_cache	< 0.9.0.3

References

Advisories & Patches

https://plugins.trac.wordpress.org/changeset/2235160/wp-fastest-cache

Exploits

https://wearetradecraft.com/advisories/tc-2020-0001/

Other References

https://www.wordfence.com/threat-intel/vulnerabilities/id/82f80916-37ab-4c5a-9787-2544c620acac?source=cve

Frequently Asked Questions

What is CVE-2020-36836? +

The WP Fastest Cache plugin for WordPress is vulnerable to unauthorized arbitrary file deletion in versions up to, and including, 0.9.0.2 due to a lack of capability checking and insufficient path validation. This makes it possible for authenticated users with minimal permissions to delete arbitrary files from the server. It has a CVSS v3.1 base score of 8.0 (HIGH).

How severe is CVE-2020-36836? +

CVE-2020-36836 has a CVSS v3.1 score of 8.0 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2020-36836? +

CVE-2020-36836 affects products from wpfastestcache, specifically: wp_fastest_cache. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2020-36836? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2020-36836