Publicado
2020-08-19 09:00
When viewing an activity, the activity details were not sufficiently filtered to prevent cross-site scripting attacks.
Security Risk
Critical
Vulnerability
Cross Site Scripting
Affected Versions
CiviCRM version 5.28.0 and earlier
Fixed Versions
CiviCRM version 5.28.1 and 5.27.5 ESR
Publication Date
Solutions
Upgrade to the latest version
Credits
Sean Colesen of Left Join Labs and Patrick Figel of Greenpeace CCE for reporting the issue
Seamus Lee of CiviCRM Core Team for fixing the issue
References
security/core#78
CRM-21010
