CVE-2026-39112Public exploitNetwork attack vector

Administrative JavaScript execution via stored visitor name

Published Apr 20, 2026 · Updated Apr 20, 2026

Stored cross-site scripting in PHPGurukul Apartment Visitors Management System 1.1 allows remote authenticated users to run JavaScript. The visitor form stores the visname POST value without neutralization, and management and detail pages render that value into HTML without output encoding. A valid application account is required to plant the payload, and JavaScript executes in an administrative user's browser when a visitor record is viewed.

CVSS severity5.4
Medium
EPSS probability0.17%
Next 30 days · Sep 17, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored cross-site scripting in PHPGurukul Apartment Visitors Management System 1.1 allows remote authenticated users to run JavaScript. The visitor form stores the visname POST value without neutralization, and management and detail pages render that value into HTML without output encoding. A valid application account is required to plant the payload, and JavaScript executes in an administrative user's browser when a visitor record is viewed.

The record

CVE
CVE-2026-39112
Published
Apr 20, 2026
Updated
Apr 20, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Apr 20, 2026CVE publishedPublication date reported by the CVE source.
  2. Apr 20, 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?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

5.4CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A: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 11, 2026Sep 17, 2026
Latest reporting daySep 17, 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')
T1059.007JavaScript/JScript

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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