CVE-2023-1687Network attack vector

Cross-site scripting via crafted registration fullname

Published Mar 29, 2023 · Updated Feb 11, 2025

Cross-site scripting in SourceCodester Simple Task Allocation System 1.0 allows remote attackers to execute script through account registration. The register_user action in LoginRegistration.php processes the Fullname parameter, but public records do not disclose the exact output sink or missing encoding operation. Exploitation requires another user to interact with the resulting content, exposing that user's browser context to unauthorized data access or modification.

CVSS severity6.1
Medium
EPSS probability0.36%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in SourceCodester Simple Task Allocation System 1.0 allows remote attackers to execute script through account registration. The register_user action in LoginRegistration.php processes the Fullname parameter, but public records do not disclose the exact output sink or missing encoding operation. Exploitation requires another user to interact with the resulting content, exposing that user's browser context to unauthorized data access or modification.

The record

CVE
CVE-2023-1687
Published
Mar 29, 2023
Updated
Feb 11, 2025
Vendor
Online Movie Ticket Booking System
Product
Simple Task Allocation System
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Mar 29, 2023CVE publishedPublication date reported by the CVE source.
  2. Feb 11, 2025Record 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=1.0

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Online Movie Ticket Booking System · Simple Task Allocation Systemversion=1.0

Published CVSS scores

3.5VulDBCVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
3.5VulDBCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
6.1NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.0VulDBAV:N/AC:L/Au:S/C:N/I:P/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')
T1059.007JavaScript/JScript

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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