CVE-2026-39668 WordPress Book Previewer for Woocommerce plugin <= 1.0.6 - Broken Access Control vulnerability
Attackers can bypass access controls in the Book Previewer for WooCommerce plugin to access restricted data or functionality.
- 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-2026-39668?
CVE-2026-39668 is a medium-severity missing authorization vulnerability in g5theme Book Previewer for Woocommerce, published on 8 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Missing Authorization vulnerability in g5theme Book Previewer for Woocommerce book-previewer-for-woocommerce allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Book Previewer for Woocommerce: from n/a through <= 1.0.6.
Weakness: CWE-862
Which versions are affected by CVE-2026-39668?
How do I fix CVE-2026-39668?
No fix has been published for CVE-2026-39668 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-2026-39668 being exploited?
There is no known exploitation of CVE-2026-39668 in the wild and no public exploit code.
Sources
Also known as GHSA-j4m2-98ph-wgm7.