WP Fastest Cache Plugin up to 1.5.0 on WordPress acceptance of extraneous untrusted data with trusted data

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.8$0-$5k0.00+

Summaryinfo

A vulnerability was found in WP Fastest Cache Plugin up to 1.5.0 and classified as critical. Affected by this vulnerability is an unknown functionality. Such manipulation leads to acceptance of extraneous untrusted data with trusted data. This vulnerability is uniquely identified as CVE-2026-74916. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in WP Fastest Cache Plugin up to 1.5.0 and classified as critical. Affected by this issue is an unknown code. The manipulation with an unknown input leads to a acceptance of extraneous untrusted data with trusted data vulnerability. Using CWE to declare the problem leads to CWE-349. The product, when processing trusted data, accepts any untrusted data that is also included with the trusted data, treating the untrusted data as if it were trusted. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The WP Fastest Cache WordPress plugin before 1.5.1 does not include a set of tracking-related query parameters in its page-cache key while still caching pages requested with them, allowing unauthenticated attackers to have a page rendered under their own request context stored under, and served from, the clean URL's cache entry to every subsequent visitor.

The advisory is available at wpscan.com. This vulnerability is handled as CVE-2026-74916 since 08/17/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. The technical details are unknown and an exploit is not available.

Upgrading to version 1.5.1 eliminates this vulnerability.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 6.5
CNA Vector (WPScan): 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Acceptance of extraneous untrusted data with trusted data
CWE: CWE-349
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: WP Fastest Cache Plugin 1.5.1

Timelineinfo

08/17/2026 CVE reserved
09/01/2026 +15 days Advisory disclosed
09/01/2026 +0 days VulDB entry created
09/01/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: wpscan.com
Status: Confirmed

CVE: CVE-2026-74916 (🔒)
GCVE (CVE): GCVE-0-2026-74916
GCVE (VulDB): GCVE-100-397562

Entryinfo

Created: 09/01/2026 10:02
Changes: 09/01/2026 10:02 (63)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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