Spring Security Advisories

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Spring Framework Cross-site Scripting via JSP Form Tags

MEDIUM | JUNE 08, 2026 | CVE-2026-41846

Description

Spring MVC applications which accept user-supplied values in the cssClass, cssErrorClass, or cssStyle attributes of JSP <form:*> tags allow arbitrary HTML/JavaScript code injection, potentially resulting in a cross-site scripting (XSS) vulnerability.

Affected Spring Products and Versions

Spring Framework:

  • 7.0.0 - 7.0.7
  • 6.2.0 - 6.2.18
  • 6.1.0 - 6.1.27
  • 5.3.48 and earlier

Mitigation

Users of affected versions should upgrade to the corresponding fixed version.
Fix versionAvailability
7.0.8OSS
7.0.7.1Enterprise Support Only
6.2.19OSS
6.2.18.1Enterprise Support Only
6.1.28Enterprise Support Only
5.3.49Enterprise Support Only

No further mitigation steps are necessary.

Credit

This issue was discovered internally.

References

History

  • 2026-06-08: Initial vulnerability report published.

Reporting a vulnerability

To report a security vulnerability for a project within the Spring portfolio, see the Security Policy

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