What’s Vulnerable › Vulnerabilities
CVE-2025-15664: BEAF < 4.7.19 - Author+ Stored XSS via Before Label
- Severity: medium (CVSS 6.8 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: 2026-09-02 · updated 2026-10-19
- Weakness: CWE-79
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.
Affected products
- Ultimate Before After Image Slider & Gallery: before 4.7.19 — fixed in 4.7.19
How to fix
Upgrade to a fixed version: Ultimate Before After Image Slider & Gallery 4.7.19. Check the vendor advisory for mitigations.
References
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