What is CVE-2026-87761?

CVE-2026-87761 is a high-severity vulnerability, classified under Cross-site Scripting. CVSS score: 8.0/10. Published 2026-10-11.

How severe is CVE-2026-87761?

High severity. CVSS v3 base score is 8.0 out of 10.

CVE-2026-87761

CVE-2026-87761

The Adwised Web Push Notification WordPress plugin through 2.5.7 does not perform any capability or nonce check before allowing an authenticated user to overwrite its site-wide configuration, and does not escape those configuration values before printing them inside an inline script block on every front-end page, allowing any authenticated user, such as a subscriber, to perform Stored Cross-Site Scripting attacks against every visitor, including administrators.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2026-10-11 · last modified 2026-10-11.

CVSS v3 metric

CVSS v3 base score 8.0 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

wpscan.com/vulnerability/862d0ae8-eb6a-4a39-a941-597892c40eb0/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-87761?: CVE-2026-87761 is a high-severity vulnerability, classified under Cross-site Scripting. CVSS score: 8.0/10. Published 2026-10-11.
How severe is CVE-2026-87761?: High severity. CVSS v3 base score is 8.0 out of 10.