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.

CVSS v4.0

5.1 MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CVSS v3.1

6.4 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

EPSS

0.31% chance of exploitation in the next 30 days, 24th percentile

Published

2026-02-01

Updated

2026-02-03

Proof-of-concept exploits (1)

• https://www.vulnerability-lab.com/get_content.php?id=2307

References

• CVE Record
• NVD entry

Related

• CVE-2022-50939
• CVE-2022-50941
• CVE-2022-50938
• CVE-2022-50942
• CVE-2022-50937
• CVE-2022-50943