CVE-2025-15665 WordPress.org CVE debrief

Who should care

Users of the Ultimate Before After Image Slider & Gallery WordPress plugin before version 4.7.1 should update to the latest version to prevent potential XSS attacks. Affected operators include administrators of WordPress sites using the plugin, platform security teams responsible for vulnerability management, and security teams that need to review and validate user input for the BEAF Slider widget's shortcode field.

Technical summary

The Ultimate Before After Image Slider & Gallery WordPress plugin before 4.7.1 does not escape the value of the BEAF Slider widget's shortcode field before outputting it on the front end. This allows users with administrator-level access to store a script that executes in the browser of any visitor who loads a page displaying the widget. The vulnerability class is related to improper input validation and sanitization, leading to potential XSS attacks. Defenders should focus on validating user input for the BEAF Slider widget's shortcode field and implementing additional security measures to prevent such attacks.

Defensive priority

High

Recommended defensive actions

• Update the Ultimate Before After Image Slider & Gallery WordPress plugin to version 4.7.1 or later
• Review and validate user input for the BEAF Slider widget's shortcode field
• Implement additional security measures to prevent XSS attacks
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up
• Review compensating controls for exposed systems while remediation is scheduled and verified
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented

Evidence notes

The CVE record was published on 2026-07-14T06:16:41.087Z and has not been modified since then. The NVD entry is currently Received. Limited information is available about the vulnerability. Affected product deployments need verification, and defenders should review official advisories for scope, severity, and guidance. Compensating controls and monitoring may be necessary while remediation is planned.

Official resources