Vulnerability · Published Aug 13, 2026 · Assigned by Patchstack
CVE-2026-27537WordPress Popup by Supsystic plugin <= 1.11.2 - Cross Site Scripting (XSS) vulnerability
Medium 6.5
In plain English
A medium-severity cross-site scripting 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 0.2% (higher than 13% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.2%top 86.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Unauthenticated Cross Site Scripting (XSS) in Popup by Supsystic <= 1.11.2 versions.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| supsystic | Popup by Supsystic | n/a – through 1.11.2 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L