CVE-2026-36324Network attack vector

Administrator session compromise via stored registration XSS

Published May 29, 2026 · Updated May 29, 2026

Stored XSS in SourceCodester Doctor Appointment System 1.0 allows remote attackers to run JavaScript in an administrator's browser. register.php stores unencoded first-name, last-name, or email input, and admin/users.php renders it without output encoding. Registration requires no authentication, but exploitation requires an administrator to review the injected user record; the resulting code runs with the administrative page's origin.

CVSS severity6.1
Medium
EPSS probability0.15%
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 SourceCodester Doctor Appointment System 1.0 allows remote attackers to run JavaScript in an administrator's browser. register.php stores unencoded first-name, last-name, or email input, and admin/users.php renders it without output encoding. Registration requires no authentication, but exploitation requires an administrator to review the injected user record; the resulting code runs with the administrative page's origin.

The record

CVE
CVE-2026-36324
Published
May 29, 2026
Updated
May 29, 2026
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. May 29, 2026CVE publishedPublication date reported by the CVE source.
  2. May 29, 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 privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.1NVDCVSS:3.1/AV:N/AC:L/PR:N/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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise

Public exploit references

No public exploit references are available in this record.

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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