Fossbilling
CVE-2023-3393
HIGH
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Code injection prevention, sandbox exec
MITRE ATT&CK
2 techniques across 2 tactics: Execution, Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 7.2 (HIGH). Attack characteristics: network attack vector, low complexity, high privileges required, no user interaction not required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | A remote attacker could inject and execute arbitrary code within the application by sending crafted requests to the affected application. |
Get an e-mail when this CVE is exploited, patched or re-scored. Free account.
Alert meAnalysisAI
Code Injection in GitHub repository fossbilling/fossbilling prior to 0.5.1. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.
RemediationAI
A vendor patch is available. Apply the latest security update as soon as possible. Never evaluate user-controlled input as code. Use sandboxing, disable dangerous functions, apply strict input validation.
Affects your stack
Find out whether the stacks and servers you run are on an affected version.
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
This vulnerability is classified as Code Injection (CWE-94), which allows attackers to inject and execute arbitrary code within the application. Code Injection in GitHub repository fossbilling/fossbilling prior to 0.5.1. Affected products include: Fossbilling. Version information: prior to 0.5.1..
Know when Fossbilling gets its next vulnerability
- Watch products and get an email when something new is published
- Check this CVE against your own stack and servers
- Exploit and PoC references, threat intelligence from 22 sources
No credit card · 7-day full trial
Severity by source
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
Code Injection in GitHub repository fossbilling/fossbilling prior to 0.5.1.
Threat Intelligence Overview
NVD
CVE.org
EPSS
GitHub
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Code injection occurs when an application accepts user input and passes it directly into a language interpreter or evaluator without proper sanitization.
Remote Code Execution represents the critical moment when an attacker successfully runs arbitrary code on a target system without physical access.
Affected Products (CPE)NVD
More in Fossbilling
View allAuthorization bypass in FOSSBilling versions 0.5.4 through 0.7.x allows unauthenticated remote attackers to invoke privi
SQL Injection in GitHub repository fossbilling/fossbilling prior to 0.5.3. Rated critical severity (CVSS 9.8), this vuln
Server-side template injection in FOSSBilling versions prior to 0.8.0 allows authenticated administrators to execute arb
Unrestricted Upload of File with Dangerous Type in GitHub repository fossbilling/fossbilling prior to 0.5.3. Rated high
Missing Authorization in GitHub repository fossbilling/fossbilling prior to 0.5.0. Rated high severity (CVSS 7.5), this
Business Logic Errors in GitHub repository fossbilling/fossbilling prior to 0.5.0. Rated medium severity (CVSS 6.5), thi
Cross-site Scripting (XSS) - Reflected in GitHub repository fossbilling/fossbilling prior to 0.5.4. Rated medium severit
Insufficient Session Expiration in GitHub repository fossbilling/fossbilling prior to 0.5.5. Rated critical severity (CV
Business Logic Errors in GitHub repository fossbilling/fossbilling prior to 0.5.0. Rated medium severity (CVSS 5.7), thi
Insufficient Granularity of Access Control in GitHub repository fossbilling/fossbilling prior to 0.5.0. Rated medium sev
Session Fixation in GitHub repository fossbilling/fossbilling prior to 0.5.1. Rated medium severity (CVSS 5.4), this vul
Unauthenticated payment bypass in FOSSBilling 0.6.0 through 0.7.2 lets a remote attacker mark any unpaid invoice as paid
Exploit-DB