PHP Event Calendar through 2021-11-04 allows persistent cross-site scripting (XSS), as demonstrated by the /server/ajax/events_manager.php title parameter. This can be exploited by an adversary in multiple ways, e.g., to perform actions on the page in the context of other users, or to deface the site.
CWE-79
CVE-2021-42085
An issue was discovered in Zammad before 4.1.1. There is stored XSS via a custom Avatar.
CVE-2021-42088
An issue was discovered in Zammad before 4.1.1. The Chat functionality allows XSS because clipboard data is mishandled.
CVE-2021-42092
An issue was discovered in Zammad before 4.1.1. Stored XSS may occur via an Article during addition of an attachment to a Ticket.
CVE-2021-42041
An issue was discovered in CentralAuth in MediaWiki through 1.36.2. The rightsnone MediaWiki message was not being properly sanitized and allowed for the injection and execution of HTML and JavaScript via the setchange log.
CVE-2021-42042
An issue was discovered in SpecialEditGrowthConfig in the GrowthExperiments extension in MediaWiki through 1.36.2. The growthexperiments-edit-config-error-invalid-title MediaWiki message was not being properly sanitized and allowed for the injection and execution of HTML and JavaScript.
