BP Better Messages permits unauthenticated cross-site scripting
BP Better Messages through 2.15.27 allows unauthenticated attacker-controlled input to reach browser output without adequate neutralization. A victim who interacts with the affected messaging content can execute script in the site's origin.
- Component
- BP Better Messages
- Plugin slug
bp-better-messages- Affected
- n/a through 2.15.27
- Safe version
2.15.28- Published
- Sep 03, 2026
This CVE was published Sep 03, 2026 and is one of 19 known issues for this plugin.
Update, patch or deactivate.
Update to 2.15.28 or later, remove untrusted message content, and review privileged activity after affected output was opened.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
Unauthenticated Cross Site Scripting (XSS) in BP Better Messages <= 2.15.27 versions.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L