Which versions of PHP are affected by CVE-2025-10340?

Organizations using WhatCD Gazelle should be aware of moderate risk from CVE-2025-10340, a cross-site scripting vulnerability rated CVSS 5.1.

Is there a public PoC exploit available for CVE-2025-10340?

Yes, a public proof-of-concept exploit is available for CVE-2025-10340. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2025-10340?

Within 30 days: Identify affected systems running WhatCD Gazelle and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

PHP CVE-2025-10340

Q: What is the CVSS score of CVE-2025-10340?

CVE-2025-10340 has a CVSS 4.0 base score of 2.0 (Low). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

LOW

Cross-site Scripting (XSS) (CWE-79)

2025-09-13 cna@vuldb.com

PHP XSS

2.0

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

2.0 LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

5.1 (MEDIUM) 2.0 (LOW)

Analysis Generated

Mar 28, 2026 - 19:11 vuln.today

PoC Detected

Sep 15, 2025 - 16:15 vuln.today

Public exploit code

CVE Published

Sep 13, 2025 - 03:15 nvd

MEDIUM 5.1

DescriptionCVE.org

A vulnerability was determined in WhatCD Gazelle up to 63b337026d49b5cf63ce4be20fdabdc880112fa3. The affected element is an unknown function of the file /sections/tools/managers/change_log.php of the component Commit Message Handler. Executing manipulation of the argument Message can lead to cross site scripting. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. This product utilizes a rolling release system for continuous delivery, and as such, version information for affected or updated releases is not disclosed.

AnalysisAI

A vulnerability was determined in WhatCD Gazelle up to 63b337026d49b5cf63ce4be20fdabdc880112fa3. Rated medium severity (CVSS 5.1), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. A vulnerability was determined in WhatCD Gazelle up to 63b337026d49b5cf63ce4be20fdabdc880112fa3. The affected element is an unknown function of the file /sections/tools/managers/change_log.php of the component Commit Message Handler. Executing manipulation of the argument Message can lead to cross site scripting. The attack may be performed from remote. The exploit has been publicly disclosed and may be utilized. This product utilizes a rolling release system for continuous delivery, and as such, version information for affected or updated releases is not disclosed. Version information: up to 63.

Affected ProductsAI

WhatCD Gazelle up to 63b337026d49b5cf63ce4be20fdabdc880112fa3. The affected element.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.