Backdrop core - Critical - Cross-site scripting - SA-CORE-2021-002
Date: Wednesday, Apr 21th, 2021
Security risk: Critical
Advisory ID: BACKDROP-SA-CORE-2021-002
Vulnerability: Cross Site Scripting
Versions affected
- Backdrop Core 1.18.x versions prior to 1.18.3,
- Backdrop Core 1.17.x versions prior to 1.17.7
- Backdrop versions 1.16 and prior do not receive security coverage.
Description
Backdrop core's sanitization API fails to properly filter cross-site scripting under certain circumstances.