CVE-2026-16948 Solace Extra < 1.6.1 - Subscriber+ Multiple Missing Authorization via Site-Wide Nonce Exposure

High 8.1 Published Updated

Low-privileged users can modify site settings and delete content due to missing capability checks and exposed nonces in the Solace Extra plugin.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-16948?

CVE-2026-16948 is a high-severity missing authorization vulnerability in Unknown Solace Extra, published on 8 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

The Solace Extra WordPress plugin before 1.6.1 does not perform capability checks in several of its AJAX actions and exposes the nonce that protects them on admin pages reachable by low-privileged users, allowing users with a role as low as Subscriber to modify site-wide presentation settings and delete imported site-builder content.

Weakness: CWE-284

Which versions are affected by CVE-2026-16948?

How do I fix CVE-2026-16948?

No fix has been published for CVE-2026-16948 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-16948 being exploited?

There is no known exploitation of CVE-2026-16948 in the wild and no public exploit code.

Sources

Also known as GHSA-pxjh-xm4v-xwq9.

Is CVE-2026-16948 in your software?

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