CVE-2022-50940Public exploitNetwork attack vector

Stored script execution via unescaped name field

Published Feb 1, 2026 · Updated Feb 1, 2026

Stored XSS in Knap Advanced PHP Login 3.1.3 allows remote authenticated users to execute scripts through a crafted name field. The application stores the submitted name and renders it without adequate encoding in the users and activity log backend modules. Execution occurs when a backend user opens an affected view, exposing that user's session to hijacking or persistent phishing actions.

CVSS severity5.1
Medium
EPSS probability0.31%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Knap Advanced PHP Login 3.1.3 allows remote authenticated users to execute scripts through a crafted name field. The application stores the submitted name and renders it without adequate encoding in the users and activity log backend modules. Execution occurs when a backend user opens an affected view, exposing that user's session to hijacking or persistent phishing actions.

The record

CVE
CVE-2022-50940
Published
Feb 1, 2026
Updated
Feb 1, 2026
Vendor
Froiden Technologies Private Limited
Product
Knap Advanced PHP Login
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 1, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 1, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=3.1.3

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Froiden Technologies Private Limited · Knap Advanced PHP Loginversion=3.1.3

Published CVSS scores

6.4VulnCheckCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
5.1VulnCheckCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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