Vulnerability · Published Jun 15, 2026 · Assigned by Patchstack
CVE-2026-42663WordPress Simple Membership plugin <= 4.7.2 - Cross Site Scripting (XSS) vulnerability
Medium 6.5
In plain English
A medium-severity cross-site scripting in Simple Membership from wp.insider. 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 5% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.2%top 94.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Unauthenticated Cross Site Scripting (XSS) in Simple Membership <= 4.7.2 versions.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| wp.insider | Simple Membership | n/a – through 4.7.2 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L