CVE-2023-51333: a CSV File · Improper Neutralization of Formula Elements
Source CVE Database V5
Not known to be exploited · CVSS 8.8 High.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.8% chance of exploitation in 30 days – higher than 57% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 20 Feb 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
AI-suggested
European organizations should immediately audit their use of PHPJabbers Cinema Booking System v1.0 and restrict access to the Languages section and System Options to trusted administrators only. Input validation must be enforced on all parameters used in CSV generation, specifically sanitizing or escaping characters that can trigger formula execution in spreadsheet software (e.g., '=', '+', '-', '@'). Where possible, disable CSV export functionality or replace it with safer formats such as JSON or XML until patches are available. Implement network segmentation and monitoring to detect anomalous CSV file generation or access patterns. Educate staff about the risks of opening CSV files from untrusted sources and encourage the use of spreadsheet software with formula execution disabled by default. Regularly review logs for suspicious activity related to CSV exports. Engage with PHPJabbers for updates or patches and apply them promptly once released. Consider deploying application-layer firewalls or input filtering proxies to block malicious payloads targeting this vulnerability.
Description
PHPJabbers Cinema Booking System v1.0 is vulnerable to CSV Injection vulnerability which allows an attacker to execute remote code. The vulnerability exists due to insufficient input validation on Languages section Labels any parameters field in System Options that is used to construct CSV file.