CVE-2025-15664 Details
Description
The Ultimate Before After Image Slider & Gallery WordPress plugin before 4.7.19 does not properly escape the slider's before-label value before its bundled client-side script re-injects it into the DOM, allowing users with the Author role and above to store a payload that executes in the browser of anyone (including an administrator) who views the slider.
A stored cross-site scripting vulnerability has been identified in the Ultimate Before After Image Slider & Gallery WordPress plugin, affecting versions prior to 4.7.19. The issue arises because the plugin fails to properly sanitize the before-label value of the slider before injecting it into the DOM via a client-side script. This flaw allows users with Author roles and above to embed a malicious payload that executes in the browser of anyone who views the slider, including administrators.
Users are advised to update the Ultimate Before After Image Slider & Gallery WordPress plugin to version 4.7.19 or later.
Metrics
CVSS 4.0 Severity and Vector Strings:
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 2, 2026CISA-ADP
Assessed Sep 2, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://wpscan.com/vulnerability/31bfd4c6-32e8-4790-b9a8-949fdaba9454/ | [email protected] | AdvisoryExploitRemedy |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| Ultimate Before After Image Slider & Gallery | < 4.7.19 (semver) |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 2, 2026 | CVE Modified | CISA-ADP |
| Sep 2, 2026 | New CVE Received | [email protected] |
Volerion