What is CVE-2022-50940?

CVE-2022-50940 is a medium-severity vulnerability in Ajay138 Knap Advanced PHP Login, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-02-01.

How severe is CVE-2022-50940?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Ajay138 Knap Advanced PHP Login

CVE-2022-50940

Knap Advanced PHP Login 3.1.3 contains a persistent cross-site scripting vulnerability that allows remote attackers to inject malicious script code in the name parameter. Attackers can exploit the vulnerability to execute arbitrary scripts in users and activity log backend modules, potentially leading to session hijacking and persistent phishing attacks.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (22.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Ajay138 Knap Advanced Php Login — versions 3.1.3

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

disclosure@vulncheck.com (exploit)
disclosure@vulncheck.com (product)
disclosure@vulncheck.com (third-party-advisory)

Frequently asked questions

What is CVE-2022-50940?: CVE-2022-50940 is a medium-severity vulnerability in Ajay138 Knap Advanced PHP Login, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-02-01.
How severe is CVE-2022-50940?: Medium severity. CVSS v3 base score is 6.4 out of 10.