CVE-2023-51303Public exploitNetwork attack vector

Browser content injection via unneutralized request parameters

Published Feb 19, 2025 · Updated Nov 4, 2025

HTML injection in PHPJabbers Event Ticketing System 1.0 allows remote attackers to inject markup through multiple request parameters. The application places the lid, name, plugin_sms_api_key, plugin_sms_country_code, and title values into web output without neutralizing HTML. A victim must view the affected output; injected content can alter displayed pages and access browser-context data, with no reported service interruption.

CVSS severity6.1
Medium
EPSS probability0.47%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

HTML injection in PHPJabbers Event Ticketing System 1.0 allows remote attackers to inject markup through multiple request parameters. The application places the lid, name, plugin_sms_api_key, plugin_sms_country_code, and title values into web output without neutralizing HTML. A victim must view the affected output; injected content can alter displayed pages and access browser-context data, with no reported service interruption.

The record

CVE
CVE-2023-51303
Published
Feb 19, 2025
Updated
Nov 4, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1190
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 19, 2025CVE publishedPublication date reported by the CVE source.
  2. Nov 4, 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?

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

6.1CISA-ADPCVSS: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.

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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 exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1190Exploit Public-Facing Application

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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