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-2026-76982 Apache Wicket: XSS in Button via its model object

Improper neutralization of input during web page generation in Apache Wicket. org.apache.wicket.markup.html.form.Button clears the escape-model-strings flag in its constructor, so that the value attribute it writes is not encoded twice — ComponentTag already encodes attribute values when it write...

CVE-2026-76982

Apache Wicket is vulnerable to a cross-site scripting (XSS) issue in the Button component (and its subclasses AjaxButton, AjaxFallbackButton, and WizardButton). The root cause: the Button constructor clears the escape-model-strings flag to prevent double-encoding of the value attribute on elemen...

EUVD-2026-68489

Improper neutralization of input during web page generation in Apache Wicket. org.apache.wicket.markup.html.form.Button clears the escape-model-strings flag in its constructor, so that the value attribute it writes is not encoded twice — ComponentTag already encodes attribute values when it write...

EUVD-2026-68488

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: 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-2026-71378 Apache Wicket: Cross-Site Request Forgery (CSRF) protection bypass in ResourceIsolationRequestCycleListener

ResourceIsolationRequestCycleListener protects a Wicket application against cross-site request forgery by rejecting requests that a resource isolation policy judges to come from another origin. Its default policy, FetchMetadataResourceIsolationPolicy, was derived from a reference implementation...

EUVD-2026-68487

ResourceIsolationRequestCycleListener protects a Wicket application against cross-site request forgery by rejecting requests that a resource isolation policy judges to come from another origin. Its default policy, FetchMetadataResourceIsolationPolicy, was derived from a reference implementation...

CVE-2026-71378

Apache Wicket 's ResourceIsolationRequestCycleListener (default policy: FetchMetadataResourceIsolationPolicy) contains a CSRF protection bypass affecting versions 9.1.0–9.23.0 and 10.0.0–10.10.0 . The policy inherited two unsafe allowances from a static-resource reference implementation: (1) all ...

CVE-2026-71257 Apache Wicket: Configured file upload limits are not enforced when the multipart request has already been parsed

Apache Wicket enforces the upload limits configured on a form or upload field while parsing a multipart request with Apache Commons FileUpload. If the request body has already been consumed by another component, Commons FileUpload returns no items and Wicket falls back to reading the upload throu...

CVE-2026-71257

Apache Wicket (versions 8.0.0–8.18.0, 9.0.0–9.23.0, 10.0.0–10.10.0) fails to enforce its per-file size and file count upload limits when the multipart request body has already been consumed by an upstream component (e.g. a servlet with @MultipartConfig , Spring Boot's multipart resolver, or a fil...

EUVD-2026-68486

Apache Wicket enforces the upload limits configured on a form or upload field while parsing a multipart request with Apache Commons FileUpload. If the request body has already been consumed by another component, Commons FileUpload returns no items and Wicket falls back to reading the upload throu...

CVE-2026-70449 Apache Wicket: Path traversal in resource style/variation/locale

Improper validation of resource URL attributes in Apache Wicket allows an unauthenticated remote attacker to read files from the web application, including files under WEB-INF that the servlet container would not otherwise serve. The locale, style and variation attributes decoded from a package...

CVE-2026-70449

Apache Wicket (versions ≤ 8.18.0, ≤ 9.23.0, ≤ 10.10.0) is vulnerable to a path traversal via improper validation of package resource URL attributes (locale, style, variation). These attributes are spliced into the resource lookup path without checking for path separators, allowing an unauthentica...

EUVD-2026-68484

Improper validation of resource URL attributes in Apache Wicket allows an unauthenticated remote attacker to read files from the web application, including files under WEB-INF that the servlet container would not otherwise serve. The locale, style and variation attributes decoded from a package...

CVE-2026-66391

Use of Insufficiently Random Values, Protection Mechanism Failure vulnerability in Apache Wicket. This issue affects Apache Wicket: from 9.0.0 through 9.23.0, from 10.0.0 through 10.9.0. Users are recommended to upgrade to version 10.10.0, which fixes the issue...

CVE-2026-66390

Improper Neutralization of Input During Web Page Generation 'Cross-site Scripting' vulnerability in Apache Wicket. This issue affects Apache Wicket: from 9.0.0 through 9.23.0, from 10.0.0 through 10.9.0. Users are recommended to upgrade to version 10.10.0, which fixes the issue...

CVE-2026-66391

Use of Insufficiently Random Values, Protection Mechanism Failure vulnerability in Apache Wicket. This issue affects Apache Wicket: from 9.0.0 through 9.23.0, from 10.0.0 through 10.9.0. Users are recommended to upgrade to version 10.10.0, which fixes the issue...

CVE-2026-66391 Apache Wicket: leaked and missing CSP headers

Use of Insufficiently Random Values, Protection Mechanism Failure vulnerability in Apache Wicket. This issue affects Apache Wicket: from 9.0.0 through 9.23.0, from 10.0.0 through 10.9.0. Users are recommended to upgrade to version 10.10.0, which fixes the issue...