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VulnerabilityPublished Updated

CVE-2021-24869: WP Fastest Cache · SQL Injection

Affects WP Fastest CacheSource CVE Database V5

0

Not known to be exploited · CVSS 8.8 High.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
1.1% chance of exploitation in 30 days – higher than 67% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 16 Jan 2024

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
Unknown WP Fastest CacheAffected
  • =0
Fixed in–

AI-suggested

To mitigate this vulnerability, European organizations should immediately update the WP Fastest Cache plugin to version 0.9.5 or later, where the issue is fixed. If updating is not immediately possible, organizations should restrict subscriber-level user capabilities to minimize the risk of exploitation. Implementing Web Application Firewalls (WAFs) with rules specifically targeting SQL injection patterns can provide an additional protective layer. Regularly auditing user accounts and removing unnecessary subscriber roles reduces attack surface. Organizations should also enable detailed logging and monitoring of database queries and web application behavior to detect suspicious activity early. Employing principle of least privilege for database access and isolating the WordPress database from other critical systems can limit potential damage. Finally, conducting security awareness training for administrators and developers on secure coding and plugin management is recommended to prevent similar vulnerabilities.

Description

The WP Fastest Cache WordPress plugin before 0.9.5 does not escape user input in the set_urls_with_terms method before using it in a SQL statement, leading to an SQL injection exploitable by low privilege users such as subscriber

References

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