4.3

CVE-2026-0554: wordpress notificationx Missing Authorization

CVSS: 4.3v3.1MediumDeferred
Published 20-01-2026Last modified 08-04-2026
Open JSON

Vulnerability summary

CVE-2026-0554 is a medium (CVSS 4.3) Missing Authorization vulnerability in wordpress notificationx. EPSS estimates a 0.32% chance of exploitation in the next 30 days, higher than 23.5% of scored vulnerabilities. Fixed in 3.2.1.

Overall risk
17/100
0100
Low · default modelHow is this calculated?
CVSS score
4.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.32%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 20-01-2026
    PublishedVulnerability first disclosed.
  2. 08-04-2026
    Last modifiedVulnerability information updated.

Description

The NotificationX plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'regenerate' and 'reset' REST API endpoints in all versions up to, and including, 3.1.11. This makes it possible for authenticated attackers, with Contributor-level access and above, to reset analytics for any NotificationX campaign, regardless of ownership.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.32%

Chance of exploitation in the next 30 days

Percentile

24%

Versus all other CVEs

30-day change

+0.02 pp

From 0.30% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.32%

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
  • notificationx≤ 3.1.11 (fixed in 3.2.1)
Wpdevteam1 product

2 vendors · 2 products

References

4 links