CVE-2026-39473 WordPress Simple History plugin <= 5.24.0 - Sensitive Data Exposure vulnerability
Attackers can retrieve embedded sensitive data from the Simple History plugin, exposing confidential information to unauthorized users.
- 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-2026-39473?
CVE-2026-39473 is a medium-severity vulnerability in Pär Thernström Simple History, published on 8 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Insertion of Sensitive Information Into Sent Data vulnerability in Pär Thernström Simple History simple-history allows Retrieve Embedded Sensitive Data.This issue affects Simple History: from n/a through <= 5.24.0.
Weakness: CWE-201
Which versions are affected by CVE-2026-39473?
How do I fix CVE-2026-39473?
No fix has been published for CVE-2026-39473 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-39473 being exploited?
There is no known exploitation of CVE-2026-39473 in the wild and no public exploit code.
Sources
Also known as GHSA-v3gq-fh32-rp3x.