7.2

CVE-2026-42663: wordpress simple-membership Cross-site Scripting

CVSS: 7.2v3.1HighDeferred
Published 15-06-2026Last modified 16-06-2026
Open JSON

Vulnerability summary

CVE-2026-42663 is a high (CVSS 7.2) Cross-site Scripting vulnerability in wordpress simple-membership. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12.2% of scored vulnerabilities. Fixed in 4.7.3.

Overall risk
29/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.2/10
010
High · v3.1 (wordfence)
EPSS score
0.22%
0%100%
Low · +0.06 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 15-06-2026
    PublishedVulnerability first disclosed.
  2. 16-06-2026
    Last modifiedVulnerability information updated.

Description

Unauthenticated Cross Site Scripting (XSS) in Simple Membership <= 4.7.2 versions.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.22%

Chance of exploitation in the next 30 days

Percentile

12%

Versus all other CVEs

30-day change

+0.06 pp

From 0.16% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.22%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Wordpress1 product
  • simple-membership≤ 4.7.2 (fixed in 4.7.3)
Wp.insider1 product

2 vendors · 2 products

References

2 links