Cross-site Scripting

Apache Wicket is vulnerable to Cross-site Scripting. The vulnerability is due to improper escaping of attribute values in MetaDataHeaderItem, where double quotes in attribute values are replaced with " which has no effect in HTML, and an attacker can supply a value containing a double quote via...

Cross-site Scripting (XSS)

Overview org.apache.wicket:wicket-core is a Java web application framework that takes simplicity, separation of concerns and ease of development to a whole new level. Wicket pages can be mocked up, previewed and later revised using standard WYSIWYG HTML design tools. Dynamic content processing an...

CVE-2026-76984

Improper neutralization of input during web page generation in Apache Wicket. org.apache.wicket.markup.head.MetaDataHeaderItem generates and header tags. It escaped the attribute names it wrote, but ran the attribute values through a replacement of " with ". A backslash before a double quote mean...

CVE-2026-76984

Apache Wicket 's MetaDataHeaderItem class improperly escapes attribute values when generating and tags. The escape replaced " with \\", but a backslash before a double quote is meaningless in HTML, so an attacker-controlled value containing a double quote breaks out of the attribute and is pars...

CVE-2026-76984 Apache Wicket: XSS in MetaDataHeaderItem via addTagAttribute

Improper neutralization of input during web page generation in Apache Wicket. org.apache.wicket.markup.head.MetaDataHeaderItem generates and header tags. It escaped the attribute names it wrote, but ran the attribute values through a replacement of " with ". A backslash before a double quote mean...

EUVD-2026-68490

Improper neutralization of input during web page generation in Apache Wicket. org.apache.wicket.markup.head.MetaDataHeaderItem generates and header tags. It escaped the attribute names it wrote, but ran the attribute values through a replacement of " with ". A backslash before a double quote mean...

CVE-2026-76984 Apache Wicket: XSS in MetaDataHeaderItem via addTagAttribute

Improper neutralization of input during web page generation in Apache Wicket. org.apache.wicket.markup.head.MetaDataHeaderItem generates and header tags. It escaped the attribute names it wrote, but ran the attribute values through a replacement of " with ". A backslash before a double quote mean...

PT-2026-83796

Name of the Vulnerable Software and Affected Versions Apache Wicket versions 6.17.0 through 8.18.0 Apache Wicket versions 9.0.0 through 9.23.0 Apache Wicket versions 10.0.0 through 10.10.0 Description Improper neutralization of input during web page generation occurs in the...

CVE-2026-76984: Improper Neutralization of Input During Web Page Generation

Improper neutralization of input during web page generation in Apache Wicket. org.apache.wicket.markup.head.MetaDataHeaderItem generates and header tags. It escaped the attribute names it wrote, but ran the attribute values through a replacement of " with ". A backslash before a double quote mean...