Published
2017-11-01 09:00
There wasn't any validation on the key url parameter which allowed for some cross site scripting to potentially occur. The fix is to add in validation to ensure the key is of normal standard extension key pattern.
Security Risk
Critical
Vulnerability
Cross Site Scripting
Affected Versions
CiviCRM Versions prior to 4.7.26 and 4.6.33
Fixed Versions
CiviCRM Versions 4.7.26 and 4.6.33
Solutions
Upgrade to the latest version of CiviCRM:
- 4.7.26
- 4.6.33
or later
If you cannot upgrade apply the following patch:
Credits
Sean Madsen of Left Join Labs for reporting and helping to fix the issue.
Seamus Lee of Australian Greens for fixing the issue.
References
