CVE-2025-63021

WordPress Valenti Engine plugin <= 1.0.3 - Cross Site Scripting (XSS) vulnerability

6.5 Medium

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in codetipi Valenti Engine valenti-engine allows DOM-Based XSS.This issue affects Valenti Engine: from n/a through <= 1.0.3.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

0.19%Up 0.2 points since Jan 1, 2026

What each source reports

CVE List Score used 6.5

WordPress Valenti Engine plugin <= 1.0.3 - Cross Site Scripting (XSS) vulnerability

Record: CVE-2025-63021
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2025-205991 6.5

Record: EUVD-2025-205991
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-5g6x-4m6w-r256 6.5

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')...

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in codetipi Valenti Engine allows DOM-Based XSS.This issue affects Valenti Engine: from n/a through 1.0.3.

Record: GHSA-5g6x-4m6w-r256
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

NVD 6.5

Record: CVE-2025-63021
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

Affected products

codetipi valenti engine

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-63021 is a medium vulnerability (CVSS 6.5) in Codetipi Valenti Engine, published December 31, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.19%, the 9th percentile. No source names a fixed version.