Vulnerability · Published Jun 26, 2026 · Assigned by Patchstack
CVE-2026-57645WordPress Newsletters plugin <= 4.13 - Broken Access Control vulnerability
High 8.1
In plain English
A high-severity missing authorization in Newsletters from Tribulant Software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 28% of all known vulnerabilities).
Severity (CVSS 3.1)8.1High
Exploit odds (30 days)0.3%top 71.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
newsletters_subscribers Broken Access Control in Newsletters <= 4.13 versions.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Tribulant Software | Newsletters | n/a – through 4.13 |
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H