CVE-2026-41846 PUBLISHED

Spring Framework Cross-site Scripting via JSP Form Tags

Assigner: vmware
Reserved: 22.04.2026 Published: 09.06.2026 Updated: 09.06.2026

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 versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:L/A:N
CVSS Score: 5.9

Attack Vector	Network	Scope	Unchanged
Attack Complexity	High	Confidentiality Impact	High
Privileges Required	None	Integrity Impact	Low
User Interaction	Required	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Spring
Product	Spring Framework
Versions	Default: unaffected affected from 7.0.0 to 7.0.8 (excl.) affected from 6.2.0 to 6.2.19 (excl.) affected from 6.1.0 to 6.1.28 (excl.) affected from 5.3.0 to 5.3.49 (excl.)

References

https://spring.io/security/cve-2026-41846

Problem Types

CWE-79: Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) CWE

Impacts

Spring MVC applications that accept user-supplied values in JSP form tag CSS attributes allow arbitrary HTML and JavaScript code injection, potentially resulting in a cross-site scripting vulnerability.