CVE-2023-5089: unknown defender security Protection Mechanism Failure
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.
Timeline
- 16-10-2023PublishedVulnerability first disclosed.
- 23-04-2025Last 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- NVDNIST5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- wordfenceSource5.3MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
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
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundExploit Reference (wpscan.com)
Maturity: unknown
Exploit Reference (sprocketsecurity.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Unknown1 product
- defender security< 4.1.0
Wordpress1 product
- defender-security≤ 4.0.2 (fixed in 4.1.0)
Wpmudev1 product
- defender_security< 4.1.0
3 vendors · 3 products
References
3 links- wpscan.com/vulnerability/2b547488-187b-44bc-a57d-f876a7d4c87dExploitVDB EntryTechnical DescriptionThird Party Advisory
- www.sprocketsecurity.com/resources/discovering-wp-admin-urls-in-wordpress-with-gravityformsExploitThird Party Advisory