Auth bypass in Templately

CVE-2026-15359

The Templately WordPress plugin before 3.7.1 does not have an authorisation check on one of its request handlers, allowing unauthenticated attackers to overwrite the administrator's stored cloud service connection with an account under their control, disconnecting the legitimate administrator and redirecting the site's cloud template library to attacker-controlled content.

Vulnerability class: Broken Access Control

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L.

EPSS exploit prediction

EPSS: 0.003 (27.9th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 28th percentile — 27.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-15359: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

  • Templately — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-15359?
CVE-2026-15359 is a medium-severity vulnerability in Templately, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-08-07.
How severe is CVE-2026-15359?
Medium severity. CVSS v3 base score is 6.5 out of 10.