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Wp Fastest Cache CVE-2023-1938

HIGH
2023-05-30 contact@wpscan.com
8.8
CVSS 3.1 · NVD
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Vulnerability Assessment

Impact

CVSS score of 8.8 (HIGH). Attack characteristics: network attack vector, low complexity, no privileges required, user interaction required. Public proof-of-concept exploit code is available.

Exploit ScenarioDerived

This vulnerability can be exploited remotely over the network. Successful exploitation could compromise the high-severity affected system.

This Week Schedule remediation this week. Why: HIGH severity (CVSS 7.0-8.9).
No patch listed yet 8.5% exploitation probability (EPSS)

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AnalysisAI

The WP Fastest Cache WordPress plugin before 1.1.5 does not have CSRF check in an AJAX action, and does not validate user input before using it in the wp_remote_get() function, leading to a Blind. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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

The WP Fastest Cache WordPress plugin before 1.1.5 does not have CSRF check in an AJAX action, and does not validate user input before using it in the wp_remote_get() function, leading to a Blind SSRF issue Affected products include: Wpfastestcache Wp Fastest Cache. Version information: before 1.1.5.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 8.8 HIGH
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

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
High
Integrity
High
Availability
High

DescriptionNVD

The WP Fastest Cache WordPress plugin before 1.1.5 does not have CSRF check in an AJAX action, and does not validate user input before using it in the wp_remote_get() function, leading to a Blind SSRF issue

Threat Intelligence Overview

EPSS Score
8.5%
Top 6% exploitable
Exploit
POC
Public exploit code exists
Data Quality
2 sources
Confidence: Low

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 HIGH
CISA KEV No
Public POC Yes
EPSS 8.5%
Patch available No
Active threat No
Deciding rule
HIGH severity (CVSS 7.0-8.9)
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
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

72
Low Medium High Critical
KEV: 0
EPSS: +8
CVSS: +44
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Server-Side Request Forgery exploits applications that fetch remote resources based on user-supplied URLs.

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

Affected Products (CPE)NVD

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-2023-6063 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

CVE-2023-1927 MEDIUM
4.3 Apr 06

The WP Fastest Cache plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including,

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