5.3

CVE-2023-5089: unknown defender security Protection Mechanism Failure

CVSS: 5.3v3.1MediumModified
Published 16-10-2023Last modified 23-04-2025

Vulnerability summary

CVE-2023-5089 is a medium (CVSS 5.3) Protection Mechanism Failure vulnerability in unknown defender security. EPSS estimates a 2.45% chance of exploitation in the next 30 days, higher than 84.1% of scored vulnerabilities. 2 public exploits are recorded. Fixed in 4.1.0.

Overall risk
32/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
2.45%
0%100%
Low · +0.24 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2reference

Timeline

  1. 16-10-2023
    PublishedVulnerability first disclosed.
  2. 23-04-2025
    Last modifiedVulnerability information updated.

Description

The Defender Security WordPress plugin before 4.1.0 does not prevent redirects to the login page via the auth_redirect WordPress function, allowing an unauthenticated visitor to access the login page, even when the hide login page functionality of the plugin is enabled.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

2.45%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

+0.24 pp

From 2.22% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.45%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

2 found
  • referenceUnverified

    Exploit Reference (wpscan.com)

    Maturity: unknown

  • referenceUnverified

    Exploit Reference (sprocketsecurity.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Unknown1 product
Wordpress1 product
  • defender-security≤ 4.0.2 (fixed in 4.1.0)
Wpmudev1 product

3 vendors · 3 products

References

3 links