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Wp Fastest Cache CVE-2023-1927

MEDIUM
Cross-Site Request Forgery (CSRF) (CWE-352)
2023-04-06 security@wordfence.com
4.3
CVSS 3.1 · NVD
View

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A01:2025 - Broken Access Control
ASVS 5.0
V3 - Web Frontend Security Anti-CSRF tokens, SameSite cookies
MITRE ATT&CK

1 technique across 1 tactic: Initial Access

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Impact

CVSS score of 4.3 (MEDIUM). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required. EPSS exploitation probability: 0.14%.

Exploit ScenarioDerived

A remote attacker could trick authenticated users into performing unintended actions by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability.

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
Patch available 0.1% exploitation probability (EPSS)

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AnalysisAI

The WP Fastest Cache plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.1.2. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Cross-Site Request Forgery (CSRF) vulnerability could allow attackers to trick authenticated users into performing unintended actions.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Implement anti-CSRF tokens, validate Origin/Referer headers, use SameSite cookie attribute.

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

This vulnerability is classified as Cross-Site Request Forgery (CSRF) (CWE-352), which allows attackers to trick authenticated users into performing unintended actions. The WP Fastest Cache plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.1.2. This is due to missing or incorrect nonce validation on the deleteCssAndJsCacheToolbar function. This makes it possible for unauthenticated attackers to perform cache deletion via a forged request granted they can trick a site administrator into performing an action such as clicking on a link. Affected products include: Wpfastestcache Wp Fastest Cache.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 4.3 MEDIUM
AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
None

Lifecycle Timeline

2
Patch released
Apr 08, 2026 - 18:22 nvd
Patch available
CVE Published
Apr 06, 2023 - 21:15 nvd
MEDIUM 4.3

DescriptionCVE.org

The WP Fastest Cache plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.1.2. This is due to missing or incorrect nonce validation on the deleteCssAndJsCacheToolbar function. This makes it possible for unauthenticated attackers to perform cache deletion via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Threat Intelligence Overview

EPSS Score
0.1%
Top 67% exploitable
Data Quality
4 sources
Confidence: Medium

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC No
EPSS 0.1%
Patch available Yes
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
None
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

22
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +22
PoC: 0
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Cross-Site Request Forgery exploits the automatic credential inclusion behavior of web browsers.

Affected Products (CPE)CVE.org

cpe:2.3:a:wpfastestcache:wp_fastest_cache:*:*:*:*:*:wordpress:*:*
CVE-2020-36836 HIGH POC
8.0 Oct 16

Arbitrary file deletion in the WP Fastest Cache WordPress plugin (versions up to and including 0.9.0.2) allows authentic

CVE-2023-1938 HIGH POC
8.8 May 30

The WP Fastest Cache WordPress plugin before 1.1.5 does not have CSRF check in an AJAX action, and does not validate use

CVE-2023-6063 HIGH POC
7.5 Dec 04

The WP Fastest Cache WordPress plugin before 1.2.2 does not properly sanitise and escape a parameter before using it in

CVE-2026-74916 MEDIUM POC
6.5 Sep 01

Web cache poisoning in WP Fastest Cache WordPress plugin before 1.5.1 enables unauthenticated attackers to inject conten

CVE-2019-6726 MEDIUM POC
6.5 Jul 29

The WP Fastest Cache plugin through 0.8.9.0 for WordPress allows remote attackers to delete arbitrary files because wp_p

CVE-2019-13635 CRITICAL
9.1 Jul 30

The WP Fastest Cache plugin through 0.8.9.5 for WordPress allows wpFastestCache.php and inc/cache.php Directory Traversa

CVE-2015-4089 HIGH
8.8 Sep 19

Multiple cross-site request forgery (CSRF) vulnerabilities in the optionsPageRequest function in admin.php in WP Fastest

CVE-2021-20714 MEDIUM
6.5 Apr 27

Directory traversal vulnerability in WP Fastest Cache versions prior to 0.9.1.7 allows a remote attacker with administra

CVE-2023-1929 MEDIUM
4.3 Apr 06

The WP Fastest Cache plugin for WordPress is vulnerable to unauthorized data modification due to a missing capability ch

CVE-2023-1931 MEDIUM
4.3 Apr 06

The WP Fastest Cache plugin for WordPress is vulnerable to unauthorized data loss due to a missing capability check on t

CVE-2023-1930 MEDIUM
4.3 Apr 06

The WP Fastest Cache plugin for WordPress is vulnerable to unauthorized data deletion due to a missing capability check

CVE-2023-1928 MEDIUM
4.3 Apr 06

The WP Fastest Cache plugin for WordPress is vulnerable to unauthorized data modification due to a missing capability ch

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