CVE-2026-9677 Shariff for WordPress <= 1.0.11 - Admin+ Stored Cross-Site Scripting

Medium 4.8 Published Updated

Admin users can inject malicious scripts via the shariff_infourl setting, leading to stored XSS attacks on the frontend.

Exploited in the wild
Not known
Login needed
An administrator
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-9677?

CVE-2026-9677 is a medium-severity cross-site scripting vulnerability in Unknown Shariff for WordPress, published on 27 Jun 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

Official description

The Shariff for WordPress Shariff for WordPress plugin through 1.0.11 does not sanitize or escape the shariff_infourl setting before outputting it in the frontend HTML via the generateshariff() function, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

Which versions are affected by CVE-2026-9677?

How do I fix CVE-2026-9677?

No fix has been published for CVE-2026-9677 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-2026-9677 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-9677 exists.

Sources

Also known as GHSA-vm7c-g967-fj52.

Is CVE-2026-9677 in your software?

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