Opublikowane
2017-11-01 09:00
Administrators were able to store and have displayed through the description field on a tag cross site scripting code. This would show up when the system tried to display the description as an alt html tag. It has now been changed to properly escape the alt tag
Security Risk
Critical
Vulnerability
Cross Site Scripting
Affected Versions
CiviCRM Versions prior to 4.7.26
Fixed Versions
CiviCRM Versions 4.7.26
Solutions
Upgrade to the latest version of CiviCRM:
- 4.7.26
or later
If you cannot upgrade you should apply the following patch
Credits
Sean Madsen of Left Join Labs for reporting the issue.
Seamus Lee of Australian Greens for fixing the issue
References
