CVE-2025-39540: WordPress WP Flipclock plugin <= 1.9.1 - 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: 2025-04-16 · updated 2026-06-17
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Rhys Wynne WP Flipclock wp-flipclock allows DOM-Based XSS.This issue affects WP Flipclock: from n/a through <= 1.9.1.

Affected products

Rhys Wynne WP Flipclock: through 1.9.1

References

https://patchstack.com/database/Wordpress/Plugin/wp-flipclock/vulnerability/wordpress-wp-flipclock-plugin-1-9-cross-site-scripting-xss-vulnerability?_s_id=cve

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