CVE-2026-78138 Finale Lite < 2.21.0 - Subscriber+ Campaign Configuration Disclosure via wcct_quick_view_html
Authenticated users can read campaign configuration data due to missing capability checks in the Finale Lite WordPress 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-2026-78138?
CVE-2026-78138 is a medium-severity missing authorization vulnerability in Unknown Finale Lite, published on 27 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The Finale Lite WordPress plugin before 2.21.0 does not perform a capability check on an AJAX action that returns a sales-campaign's configuration for an arbitrary post ID, allowing any authenticated user (Subscriber and above) to read the Finale Lite WordPress plugin before 2.21.0's campaign configuration and scheduling data.
Weakness: CWE-200
Which versions are affected by CVE-2026-78138?
How do I fix CVE-2026-78138?
No fix has been published for CVE-2026-78138 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-2026-78138 being exploited?
There is no known exploitation of CVE-2026-78138 in the wild and no public exploit code.
Sources
Also known as GHSA-9j83-j87m-xcjf.