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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (26.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 26th percentile — 26.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.000
Affected products
- Ajay138 Knap Advanced PHP Login — versions 3.1.3
Weakness classification (CWE)
References
- www.vulnerability-lab.com/get_content.php (exploit)
- laravel-vuejs.com/ (product)
- www.vulncheck.com/advisories/knap-advanced-php-login-persistent-cross-site-scri… (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.