Vulnerability · Published Apr 8, 2026 · Assigned by Patchstack

CVE-2026-39473WordPress Simple History plugin <= 5.24.0 - Sensitive Data Exposure vulnerability

Medium 5.3

In plain English

A medium-severity security flaw in Simple History from Pär Thernström. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium
Exploit odds (30 days)0.2%top 83.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

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.

Affected products (as reported)

VendorProductVersions
Pär Thernström Simple History 0 – through 5.24.0

Weakness: CWE-201 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

References