HOMEVULNERABILITIESCVE-2021-24869
HIGH

CVE-2021-24869

CWE-89Published: January 16, 2024· Updated: Jun 17, 2026

8.8
CVSS v3.1

Official 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

NVD Source

Technical Analysis

CVE-2021-24869 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

From a weakness classification perspective (CWE-89): SQL injection vulnerabilities allow attackers to manipulate database queries, potentially exposing or modifying sensitive data.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Vendors & Products

wpfastestcache1 product(s)
wp fastest cache
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://jetpack.com/2021/10/14/multiple-vulnerabilities-in-wp-fastest-cache-plugin/
ADVISORYhttps://wpscan.com/vulnerability/b2233795-1a32-45fc-9d51-b6bd0a073f5b/
ADVISORYhttps://jetpack.com/2021/10/14/multiple-vulnerabilities-in-wp-fastest-cache-plugin/
ADVISORYhttps://wpscan.com/vulnerability/b2233795-1a32-45fc-9d51-b6bd0a073f5b/

All References (4)

→
https://jetpack.com/2021/10/14/multiple-vulnerabilities-in-wp-fastest-cache-plugin/Exploit · Third Party Advisory
→
https://wpscan.com/vulnerability/b2233795-1a32-45fc-9d51-b6bd0a073f5b/Third Party Advisory
→
https://jetpack.com/2021/10/14/multiple-vulnerabilities-in-wp-fastest-cache-plugin/Exploit · Third Party Advisory
→
https://wpscan.com/vulnerability/b2233795-1a32-45fc-9d51-b6bd0a073f5b/Third Party Advisory

Quick Facts

CVE IDCVE-2021-24869
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-89
CISA KEVNo
Affected1 vendor(s)
PublishedJan 16, 2024

Related CVEs (CWE-89)

CVE-2024-1839
10.0
CVE-2025-57792
10.0
CVE-2026-8054
KEV10.0
CVE-2025-46337
10.0
CVE-2008-5649
10.0
CVE-2024-3820
10.0

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2021-24869 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.
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