What is CVE-2022-1724?

CVE-2022-1724 is a medium-severity vulnerability in Simple-Membership-Plugin Simple Membership, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-06-13.

How severe is CVE-2022-1724?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2022-1724 known to be exploited?

5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Simple-Membership-Plugin Simple Membership

CVE-2022-1724

The Simple Membership WordPress plugin before 4.1.1 does not properly sanitise and escape parameters before outputting them back in AJAX actions, leading to Reflected Cross-Site Scripting

Vulnerability class: XSS (Cross-Site Scripting)

Published 2022-06-13 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.018 (78.3th percentile), scored 2026-09-30.

Low probability of exploitation in the next 30 days, but still tracked. 78th percentile — 78.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000

Affected products

Simple-Membership-Plugin Simple Membership
Simple Membership — versions 4.1.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

wpscan.com/vulnerability/96a0a667-9c4b-4ea6-b78a-0681e9a9bbae (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-1724?: CVE-2022-1724 is a medium-severity vulnerability in Simple-Membership-Plugin Simple Membership, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2022-06-13.
How severe is CVE-2022-1724?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2022-1724 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.