Medium severity6.5NVD Advisory· Published Dec 30, 2025· Updated Apr 23, 2026

CVE-2025-66103

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in revmakx WPCal.io wpcal allows DOM-Based XSS.This issue affects WPCal.io: from n/a through <= 0.9.5.9.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

WordPress/Wpcalinferred
Range: <= 0.9.5.9
Package: https://wordpress.org/plugins/wpcal
Revmakx/WPCal.iollm-create
Range: <=0.9.5.9

Patches

Vulnerability mechanics

References

patchstack.com/database/Wordpress/Plugin/wpcal/vulnerability/wordpress-wpcal-io-plugin-0-9-5-9-cross-site-scripting-xss-vulnerabilitynvd

News mentions

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