5.3

CVE-2026-25431: wordpress wordpress-popup Missing Authorization

CVSS: 5.3v3.1MediumDeferred
Published 12-05-2026Last modified 13-05-2026
Open JSON

Vulnerability summary

CVE-2026-25431 is a medium (CVSS 5.3) Missing Authorization vulnerability in wordpress wordpress-popup. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 20.6% of scored vulnerabilities. Fixed in 7.8.10.2.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.29%
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. 12-05-2026
    PublishedVulnerability first disclosed.
  2. 13-05-2026
    Last modifiedVulnerability information updated.

Description

Missing Authorization vulnerability in WPMU DEV Hustle allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Hustle: through 7.8.10.1.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.29%

Chance of exploitation in the next 30 days

Percentile

21%

Versus all other CVEs

30-day change

+0.06 pp

From 0.23% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.29%

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
  • wordpress-popup≤ 7.8.10.1 (fixed in 7.8.10.2)
Wpmu dev1 product

2 vendors · 2 products

References

2 links