Vulnerability · Published Aug 18, 2026 · Assigned by Patchstack
CVE-2026-73381WordPress Popup by Supsystic plugin <= 1.13.0 - Broken Authentication vulnerability
Critical 9.1
In plain English
A critical-severity authentication bypass in Popup by Supsystic from supsystic. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities).
Severity (CVSS 3.1)9.1Critical
Exploit odds (30 days)0.5%top 53.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Unauthenticated Broken Authentication in Popup by Supsystic <= 1.13.0 versions.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| supsystic | Popup by Supsystic | n/a – through 1.13.0 |
Weakness: CWE-288 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H