What is CVE-2025-4094?

CVE-2025-4094 is a critical-severity vulnerability in Unitedover Digits, classified under CWE-307 IMPROPER RESTRICTION OF EXCESSIVE AUTHENTICATION ATTEMPTS. CVSS score: 9.8/10. Published 2025-05-21.

How severe is CVE-2025-4094?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2025-4094 known to be exploited?

5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Unitedover Digits

CVE-2025-4094

The DIGITS: WordPress Mobile Number Signup and Login WordPress plugin before 8.4.6.1 does not rate limit OTP validation attempts, making it straightforward for attackers to bruteforce them.

Published 2025-05-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.158 (96.8th percentile), scored 2026-10-05.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.158 · newest: 0.158 · change: 0.000

Affected products

Unitedover Digits
Digits: WordPress Mobile Number Signup And Login — versions 0

Public proof-of-concept exploits

References

wpscan.com/vulnerability/b5f0a263-644b-4954-a1f0-d08e2149edbb/ (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)

Frequently asked questions

What is CVE-2025-4094?: CVE-2025-4094 is a critical-severity vulnerability in Unitedover Digits, classified under CWE-307 IMPROPER RESTRICTION OF EXCESSIVE AUTHENTICATION ATTEMPTS. CVSS score: 9.8/10. Published 2025-05-21.
How severe is CVE-2025-4094?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2025-4094 known to be exploited?: 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.