CVE-2026-1074 WP App Bar <= 1.5 - Unauthenticated Stored Cross-Site Scripting via 'app-bar-features' Parameter
Unauthenticated attackers can inject arbitrary scripts via the app-bar-features parameter, leading to code execution when admins view settings.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-1074?
CVE-2026-1074 is a high-severity cross-site scripting vulnerability in ryscript WP App Bar, published on 7 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The WP App Bar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'app-bar-features' parameter in all versions up to, and including, 1.5. This is due to insufficient input sanitization and output escaping combined with a missing authorization check in the `App_Bar_Settings` class constructor. This makes it possible for unauthenticated attackers to inject arbitrary web scripts into multiple plugin settings that will execute whenever a user accesses the admin settings page.
Weakness: CWE-79
Which versions are affected by CVE-2026-1074?
How do I fix CVE-2026-1074?
No fix has been published for CVE-2026-1074 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-2026-1074 being exploited?
There is no known exploitation of CVE-2026-1074 in the wild and no public exploit code.
Sources
Also known as GHSA-wcg5-48v2-pxvv.