SQL injection in Ruby on Rails - CVE-2013-0333
Published: September 30, 2025 / Updated: September 30, 2025
Vulnerability identifier: #VU116187
CSH Severity: Medium
CVSS v4: 6.9 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2013-0333
CWE-ID: CWE-89
Exploitation vector: Remote access
Exploit availability:
The vulnerability is being exploited in the wild
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.
The vulnerability exists due to lib/active_support/json/backends/yaml.rb in Ruby on Rails does not properly convert JSON data to YAML data for processing by a YAML parser. A remote attacker can execute arbitrary code, conduct SQL injection attacks, or bypass authentication via crafted data that triggers unsafe decoding.
Affected software
Ruby on Rails
How to mitigate CVE-2013-0333
Install updates from vendor's website.
Ruby on Rails - addressed in versions 2.3.16, 3.0.20
Links to Public Exploits and PoC-codes
- Exploit #11999 - Ruby on Rails - JSON Processor YAML Deserialization Code Execution (Metasploit) (September 30, 2025)
- Exploit #11998 - Ruby on Rails JSON Processor YAML Deserialization Scanner (September 30, 2025)
- Exploit #11997 - Ruby on Rails JSON Processor YAML Deserialization Code Execution (September 30, 2025)