CVE-2022-23871

Multiple cross-site scripting (XSS) vulnerabilities in the component outcomes_addProcess.php of Gibbon CMS v22.0.01 allow attackers to execute arbitrary web scripts or HTML via a crafted payload insterted into the name, category, description parameters.

CVE-2021-40214

Gibbon v22.0.00 suffers from a stored XSS vulnerability within the wall messages component.

CVE-2023-45879

GibbonEdu Gibbon version 25.0.0 allows HTML Injection via an IFRAME element to the Messager component.