CVE-2023-51484: wordpress login-as-customer-or-user Improper Authentication
CVSS: 9.8v3.1CriticalDeferred
Published 25-04-2024Last modified 28-04-2026
Vulnerability summary
CVE-2023-51484 is a critical (CVSS 9.8) Improper Authentication vulnerability in wordpress login-as-customer-or-user. EPSS estimates a 0.70% chance of exploitation in the next 30 days, higher than 52.4% of scored vulnerabilities. Fixed in 3.9.1.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
0.70%
0%100%
Low · -0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 25-04-2024PublishedVulnerability first disclosed.
- 28-04-2026Last modifiedVulnerability information updated.
Description
Improper Authentication vulnerability in wp-buy Login as User or Customer (User Switching) allows Privilege Escalation.This issue affects Login as User or Customer (User Switching): from n/a through 3.8.
CVSS metrics
3 scores · 3 sources · 1 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- NVDNIST9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- wordfenceSource9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.70%
Chance of exploitation in the next 30 days
Percentile
52%
Versus all other CVEs
30-day change
-0.01 pp
From 0.70% on 21-09-2026
21-09-202621-10-2026
EPSS score0.70%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Wordpress1 product
- login-as-customer-or-user≤ 3.8 (fixed in 3.9.1)
Wp-buy1 product
- login_as_user_or_customer_\(user_switching\)≥ n/a, ≤ 3.8
2 vendors · 2 products
References
2 links- patchstack.com/database/…VDB Entry