5.4

CVE-2026-57661: nexcess wpcomplete Missing Authorization

CVSS: 5.4v3.1MediumDeferred
Published 26-06-2026Last modified 26-06-2026
Open JSON

Vulnerability summary

CVE-2026-57661 is a medium (CVSS 5.4) Missing Authorization vulnerability in nexcess wpcomplete. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 19.9% of scored vulnerabilities. Fixed in 2.9.5.6.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.4/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.29%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 26-06-2026
    PublishedVulnerability first disclosed.
  2. 26-06-2026
    Last modifiedVulnerability information updated.

Description

Subscriber Broken Access Control in WPComplete <= 2.9.5.5 versions.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.29%

Chance of exploitation in the next 30 days

Percentile

20%

Versus all other CVEs

30-day change

0.00 pp

From 0.29% on 20-09-2026

20-09-202620-10-2026
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

Nexcess1 product
Wordpress1 product
  • wpcomplete≤ 2.9.5.5 (fixed in 2.9.5.6)

2 vendors · 2 products

References

2 links