What is CVE-2022-4303?

CVE-2022-4303 is a high-severity vulnerability in Ciphercoin Wp Limit Login Attempts, classified under Authentication Bypass by Spoofing. CVSS score: 7.5/10. Published 2023-01-23.

How severe is CVE-2022-4303?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2022-4303 known to be exploited?

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

Vulnerability in Ciphercoin Wp Limit Login Attempts

CVE-2022-4303

The WP Limit Login Attempts WordPress plugin through 2.6.4 prioritizes getting a visitor's IP from certain HTTP headers over PHP's REMOTE_ADDR, which makes it possible to bypass IP-based restrictions on login forms.

Published 2023-01-23 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.007 (51.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Ciphercoin Wp Limit Login Attempts
Wp Limit Login Attempts — versions 0

Weakness classification (CWE)

CWE-290 — Authentication Bypass by Spoofing

Public proof-of-concept exploits

References

wpscan.com/vulnerability/8428a5e1-dbef-4516-983f-f95605c6dd09 (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)

Frequently asked questions

What is CVE-2022-4303?: CVE-2022-4303 is a high-severity vulnerability in Ciphercoin Wp Limit Login Attempts, classified under Authentication Bypass by Spoofing. CVSS score: 7.5/10. Published 2023-01-23.
How severe is CVE-2022-4303?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2022-4303 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.