CVE-2026-75802 Apache Wicket: XSS in AjaxEditableLabel and its subclasses via IChoiceRenderer and defaultNullLabel

AjaxEditableChoiceLabel in wicket-extensions, when constructed with a non-null IChoiceRenderer, writes the display value obtained from that renderer into the label's markup without applying the HTML escaping Wicket performs by default for component model values. An attacker who can influence the...

CVE-2026-75802

Apache Wicket (module wicket-extensions ) contains an XSS vulnerability in AjaxEditableLabel , AjaxEditableChoiceLabel , and AjaxEditableMultiLineLabel . The display value obtained from a non-null IChoiceRenderer, and the value returned by the overridden defaultNullLabel(), are written into the l...

CVE-2026-75802 Apache Wicket: XSS in AjaxEditableLabel and its subclasses via IChoiceRenderer and defaultNullLabel

AjaxEditableChoiceLabel in wicket-extensions, when constructed with a non-null IChoiceRenderer, writes the display value obtained from that renderer into the label's markup without applying the HTML escaping Wicket performs by default for component model values. An attacker who can influence the...