PT-2025-4400 · WordPress · Wp Fullcalendar

Lvt-Tholv2K · Published 2025-01-07 · Updated 2025-01-07 · CVE-2025-22261

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

Name of the Vulnerable Software and Affected Versions WP FullCalendar versions 1.5 and earlier

Description The issue is related to improper neutralization of input during web page generation, which allows stored cross-site scripting (XSS). This means an attacker can inject malicious scripts into the website, potentially affecting users who access the compromised page. The estimated number of potentially affected devices worldwide is not specified. There is no information provided about real-world incidents where this issue was exploited.

Recommendations For WP FullCalendar versions 1.5 and earlier, update to a version later than 1.5 to resolve the issue. As a temporary workaround, consider restricting access to the WP FullCalendar plugin until a patch is available. Avoid using the plugin's web page generation functionality with untrusted input until the issue is resolved.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-22261

Affected Products

Wp Fullcalendar

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2025-22261 · Security Note
• https://twitter.com/CVEnew/status/1876587699357835561 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1876703287958704636 · Twitter Post
• https://patchstack.com/database/wordpress/plugin/wp-fullcalendar/vulnerability/wordpress-wp-fullcalendar-plugin-1-5-cross-site-scripting-xss-vulnerability?_s_id=cve · Note
• https://patchstack.com/database/Wordpress/Plugin/wp-fullcalendar/vulnerability/wordpress-wp-fullcalendar-plugin-1-5-cross-site-scripting-xss-vulnerability?_s_id=cve · Note