CVE-2026-73995: wordpress user-registration Authentication Bypass by Spoofing
CVSS: 5.4v3.1MediumDeferred
Published 18-08-2026Last modified 18-08-2026
Vulnerability summary
CVE-2026-73995 is a medium (CVSS 5.4) Authentication Bypass by Spoofing vulnerability in wordpress user-registration. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 28.4% of scored vulnerabilities. Fixed in 5.2.7.
CVSS score
5.4/10
010
Medium · v3.1 (CVE.org)EPSS score
0.36%
0%100%
Low · +0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 18-08-2026PublishedVulnerability first disclosed.
- 18-08-2026Last modifiedVulnerability information updated.
Description
Subscriber Broken Authentication in User Registration <= 5.2.6 versions.
CVSS metrics
3 scores · 3 sources · 1 versionMedium 5.4Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:LSources3 sources · 4.3–5.4
- NVDNIST5.4MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L
- wordfenceSource4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:NDiffers
EPSS trend
Probability
0.36%
Chance of exploitation in the next 30 days
Percentile
28%
Versus all other CVEs
30-day change
+0.02 pp
From 0.34% on 20-09-2026
20-09-202620-10-2026
EPSS score0.36%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root cause- CWE-290Authentication Bypass by SpoofingThis attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks.
- CWE-862Missing AuthorizationThe product does not perform an authorization check when an actor attempts to access a resource or perform an action.
Affected systems
Wordpress1 product
- user-registration≤ 5.2.6 (fixed in 5.2.7)
Wpeverest1 product
- user_registration≥ n/a, ≤ 5.2.6
2 vendors · 2 products
References
2 links- patchstack.com/database/…VDB Entry