CVE-2026-57645 WordPress Newsletters plugin <= 4.13 - Broken Access Control vulnerability
Attackers can bypass access controls to read or modify subscriber data in the Newsletters plugin for WordPress.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-57645?
CVE-2026-57645 is a high-severity missing authorization vulnerability in Tribulant Software Newsletters, published on 26 Jun 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
newsletters_subscribers Broken Access Control in Newsletters <= 4.13 versions.
Weakness: CWE-862
Which versions are affected by CVE-2026-57645?
How do I fix CVE-2026-57645?
No fix has been published for CVE-2026-57645 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-2026-57645 being exploited?
There is no known exploitation of CVE-2026-57645 in the wild and no public exploit code.
Sources
Also known as GHSA-v2jx-863w-h6g6.