CVE-2026-87761 Adwised Web Push Notification <= 2.5.7 - Subscriber+ Stored XSS via Pop-up Settings
Authenticated users can inject malicious scripts into site-wide settings, leading to stored XSS attacks against all visitors, including administrators.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-87761?
CVE-2026-87761 is a high-severity cross-site scripting vulnerability in Unknown Adwised Web Push Notification, published on 11 Oct 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-79
Which versions are affected by CVE-2026-87761?
How do I fix CVE-2026-87761?
No fix has been published for CVE-2026-87761 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-87761 being exploited?
There is no known exploitation of CVE-2026-87761 in the wild and no public exploit code.
Sources
Also known as GHSA-7cxr-gprm-hwh4.