CVE-2021-24870: wp fastest cache CSRF — Exploit

Description

The WP Fastest Cache WordPress plugin before 0.9.5 is lacking a CSRF check in its wpfc_save_cdn_integration AJAX action, and does not sanitise and escape some the options available via the action, which could allow attackers to make logged in high privilege users call it and set a Cross-Site Scripting payload

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CVSS v3.1 Score

6.1

MEDIUM

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

Weakness Type (CWE)

CWE-352 Cross-Site Request Forgery

Affected Products

Vendor	Product	Versions
wpfastestcache	wp_fastest_cache	< 0.9.5

References

Exploits

https://jetpack.com/2021/10/14/multiple-vulnerabilities-in-wp-fastest-cache-plugin/ https://jetpack.com/2021/10/14/multiple-vulnerabilities-in-wp-fastest-cache-plugin/

Other References

https://wpscan.com/vulnerability/48de63ab-2ef1-4469-8fc4-9346068bdf06/ https://wpscan.com/vulnerability/48de63ab-2ef1-4469-8fc4-9346068bdf06/

Frequently Asked Questions

What is CVE-2021-24870? +

The WP Fastest Cache WordPress plugin before 0.9.5 is lacking a CSRF check in its wpfc_save_cdn_integration AJAX action, and does not sanitise and escape some the options available via the action, which could allow attackers to make logged in high privilege users call it and set a Cross-Site Scripting payload It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2021-24870? +

CVE-2021-24870 has a CVSS v3.1 score of 6.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2021-24870? +

CVE-2021-24870 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-2021-24870? +

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-2021-24870