CVE-2023-51311Public exploitNetwork attack vector

Code execution via unneutralized CSV labels

Published Feb 20, 2025 · Updated Nov 4, 2025

CSV injection in PHPJabbers Car Park Booking System 3.0 allows remote authenticated users to execute code through exported label data. The Languages section accepts formula-leading Labels parameter values without neutralization and writes them into a CSV file. Authenticated access to System Options is required, and the code executes when the crafted export is processed as spreadsheet formulas.

CVSS severity8.8
High
EPSS probability0.70%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

CSV injection in PHPJabbers Car Park Booking System 3.0 allows remote authenticated users to execute code through exported label data. The Languages section accepts formula-leading Labels parameter values without neutralization and writes them into a CSV file. Authenticated access to System Options is required, and the code executes when the crafted export is processed as spreadsheet formulas.

The record

CVE
CVE-2023-51311
Published
Feb 20, 2025
Updated
Nov 4, 2025
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-1236
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Feb 20, 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 privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

8.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-1236Improper Neutralization of Formula Elements in a CSV File

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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