CVE-2025-31020

WordPress Simple Spoiler plugin <= 1.4 - Cross Site Scripting (XSS) Vulnerability

6.5 Medium

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Webliberty Simple Spoiler simple-spoiler allows Stored XSS.This issue affects Simple Spoiler: from n/a through <= 1.4.

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

0.41%Up 0.4 points since Apr 10, 2025

What each source reports

CVE List Score used 6.5

WordPress Simple Spoiler plugin <= 1.4 - Cross Site Scripting (XSS) Vulnerability

Record: CVE-2025-31020
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-2025-10657 6.5

Record: EUVD-2025-10657
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-7rq5-qrmh-5348 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 Webliberty Simple Spoiler allows Stored XSS. This issue affects Simple Spoiler: from n/a through 1.4.

Record: GHSA-7rq5-qrmh-5348
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-2025-31020
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

webliberty simple spoiler

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-2025-31020 is a medium vulnerability (CVSS 6.5) in Webliberty Simple Spoiler, published April 9, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 35th percentile. No source names a fixed version.