What is CVE-2026-87762?

CVE-2026-87762 is a high-severity vulnerability in Adwised Web Push Notification, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2026-10-11.

How severe is CVE-2026-87762?

High severity. CVSS v3 base score is 8.8 out of 10.

XSS in Adwised Web Push Notification

CVE-2026-87762

The Adwised Web Push Notification WordPress plugin through 2.5.7 does not have authorisation checks on several state-changing operations, and the secret comparison it uses instead can be bypassed on installations where the secret key has never been set, allowing unauthenticated users to store arbitrary JavaScript that is executed in the browser of every site visitor.

Vulnerability class: XSS (Cross-Site Scripting)

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

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/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.

Affected products

Adwised Web Push Notification

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

wpscan.com/vulnerability/7e76c496-9098-405f-a85b-4363d476d895/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-87762?: CVE-2026-87762 is a high-severity vulnerability in Adwised Web Push Notification, classified under Cross-site Scripting. CVSS score: 8.8/10. Published 2026-10-11.
How severe is CVE-2026-87762?: High severity. CVSS v3 base score is 8.8 out of 10.