Contao
CVE-2022-26265
CRITICAL
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization OS command sanitization, avoid shell exec
MITRE ATT&CK
2 techniques across 1 tactic: Execution The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS score of 9.8 (CRITICAL). Attack characteristics: network attack vector, low complexity, no privileges required, no user interaction not required. Public proof-of-concept exploit code is available. |
| Exploit ScenarioDerived | A remote attacker could execute arbitrary operating system commands on the host by sending crafted requests to the affected application. No authentication is required to exploit this vulnerability. |
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Alert meAnalysisAI
Contao Managed Edition v1.5.0 was discovered to contain a remote command execution (RCE) vulnerability via the component php_cli parameter. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Avoid passing user input to shell commands. Use language-specific APIs instead of shell execution. Apply strict input validation with allowlists.
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in composer
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 OS Command Injection (CWE-78), which allows attackers to execute arbitrary operating system commands on the host. Contao Managed Edition v1.5.0 was discovered to contain a remote command execution (RCE) vulnerability via the component php_cli parameter. Affected products include: Contao.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
DescriptionNVD
Contao Managed Edition v1.5.0 was discovered to contain a remote command execution (RCE) vulnerability via the component php_cli parameter.
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
OS command injection occurs when an application passes unsanitized user input directly into system shell commands.
Affected Products (CPE)NVD
Multiple cross-site request forgery (CSRF) vulnerabilities in main.php in Contao (formerly TYPOlight) 2.11.0 and earlier
Contao is a powerful open source CMS that allows you to create professional websites and scalable web applications. Rate
Contao 4.x allows SQL Injection. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no auth
Contao 4.7 allows Use of a Key Past its Expiration Date. Rated critical severity (CVSS 9.8), this vulnerability is remot
Contao before 3.5.39 and 4.x before 4.7.3 has a Weak Password Recovery Mechanism for a Forgotten Password. Rated critica
Contao before 5.5.6 allows XSS via an SVG document. Rated medium severity (CVSS 5.4), this vulnerability is remotely exp
Contao is an open source content management system. Rated medium severity (CVSS 5.4), this vulnerability is remotely exp
Unauthenticated path traversal in the Contao CMS ImagesController lets remote attackers read files from the project dire
Stored cross-site scripting in the Contao CMS comments bundle lets an unauthenticated visitor submit a comment whose ema
Information disclosure in Contao CMS allows unauthenticated front-end visitors to read the titles, URLs, and indexed tex
Unauthenticated email-flooding and user-enumeration in Contao CMS: a POST to any page containing the registration module
Contao before 3.5.28 and 4.x before 4.4.1 allows remote attackers to include and execute arbitrary local PHP files via a
Exploit-DB