W3 Total Cache Plugin up to 2.8.12 on WordPress _parse_dynamic_mfunc os command injection

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in W3 Total Cache Plugin up to 2.8.12 on WordPress and classified as critical. This impacts the function _parse_dynamic_mfunc. The manipulation results in os command injection. This vulnerability is identified as CVE-2025-9501. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, was found in W3 Total Cache Plugin up to 2.8.12 on WordPress. Affected is the function _parse_dynamic_mfunc. The manipulation with an unknown input leads to a os command injection vulnerability. CWE is classifying the issue as CWE-78. The product constructs all or part of an OS command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended OS command when it is sent to a downstream component. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The W3 Total Cache WordPress plugin before 2.8.13 is vulnerable to command injection via the _parse_dynamic_mfunc function, allowing unauthenticated users to execute PHP commands by submitting a comment with a malicious payload to a post.

The weakness was released by wcraft. The advisory is shared for download at wpscan.com. This vulnerability is traded as CVE-2025-9501 since 08/26/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1202.

Upgrading to version 2.8.13 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-197764). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

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

CVSSv2info

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

Exploitinginfo

Class: Os command injection
CWE: CWE-78 / CWE-77 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

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: W3 Total Cache Plugin 2.8.13

Timelineinfo

08/26/2025 CVE reserved
11/17/2025 +83 days Advisory disclosed
11/17/2025 +0 days VulDB entry created
11/17/2025 +0 days VulDB entry last update

Sourcesinfo

Advisory: wpscan.com
Researcher: wcraft
Status: Confirmed

CVE: CVE-2025-9501 (🔒)
GCVE (CVE): GCVE-0-2025-9501
GCVE (VulDB): GCVE-100-332616
EUVD: 🔒

Entryinfo

Created: 11/17/2025 07:34
Updated: 11/17/2025 07:56
Changes: 11/17/2025 07:34 (57), 11/17/2025 07:56 (1)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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