Vulnerability · Published Aug 18, 2026 · Assigned by Patchstack

CVE-2026-73397WordPress Youzify plugin <= 1.3.7 - Deserialization of untrusted data vulnerability

Critical 9.8

In plain English

A critical-severity unsafe deserialization in Youzify from Youzify. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 47% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical

Exploit odds (30 days)0.6%top 53.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Unauthenticated Deserialization of untrusted data in Youzify <= 1.3.7 versions.

Affected products (as reported)

Vendor	Product	Versions
Youzify	Youzify	n/a – through 1.3.7

Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

https://patchstack.com/database/wordpress/plugin/youzify/vulnerability/wordpress-youzify-plugin-1-3-7-deserialization-of-untrusted-data-vulnerability?_s_id=cve vdb-entry