Django Software Foundation · Django · CVE-2015-2317
**Name of the Vulnerable Software and Affected Versions**
Django versions prior to 1.4.20
Django versions 1.5.x
Django versions 1.6.x prior to 1.6.11
Django versions 1.7.x prior to 1.7.7
Django versions 1.8.x prior to 1.8c1
**Description**
The issue allows remote attackers to conduct cross-site scripting (XSS) attacks via a control character in a URL. This is demonstrated by a URL containing a control character, such as `x08javascript:`. The `utils.http.is safe url` function does not properly validate URLs, leading to this security issue.
**Recommendations**
For Django versions prior to 1.4.20, update to version 1.4.20 or later.
For Django versions 1.5.x, update to a version with the fix, as 1.5.x is affected but no specific end version is provided.
For Django versions 1.6.x prior to 1.6.11, update to version 1.6.11 or later.
For Django versions 1.7.x prior to 1.7.7, update to version 1.7.7 or later.
For Django versions 1.8.x prior to 1.8c1, update to version 1.8c1 or later.