CVE-2025-31020: WordPress Simple Spoiler plugin <= 1.4 - Cross Site Scripting (XSS) Vulnerability

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-04-09 · updated 2026-06-17
Weakness: CWE-79

Description

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.

Affected products

Webliberty Simple Spoiler: through 1.4

References

https://patchstack.com/database/Wordpress/Plugin/simple-spoiler/vulnerability/wordpress-simple-spoiler-1-4-cross-site-scripting-xss-vulnerability?_s_id=cve

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