CVE-2026-2278 VW Writer Blog <= 1.3.8 - Missing Authorization to Authenticated (Subscriber+) Theme Settings Reset
Authenticated subscribers can reset VW Writer Blog theme settings to defaults due to missing capability checks.
- 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-2026-2278?
CVE-2026-2278 is a medium-severity missing authorization vulnerability in vowelweb VW Writer Blog, published on 19 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
The VW Writer Blog theme for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'vw_writer_blog_reset_all_settings' function in all versions up to, and including, 1.3.8. This makes it possible for authenticated attackers, with Subscriber-level access and above, to reset all theme customizer settings to their defaults.
Weakness: CWE-862
Which versions are affected by CVE-2026-2278?
How do I fix CVE-2026-2278?
No fix has been published for CVE-2026-2278 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-2026-2278 being exploited?
There is no known exploitation of CVE-2026-2278 in the wild and no public exploit code.
Sources
Also known as GHSA-ch5g-p3r8-r5qv.