CVE-2026-41846 Security Details

CVE ID

CVE-2026-41846

CWE

CWE-79

CVE 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 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.

Published

Jun 8, 2026

CVSS Score & Severity

6.1Medium

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Score

0.032%

Malware

malware

KEV Status

Not in KEV Catalog: No known exploits

Vulnerable Methods

org/springframework/web/servlet/tags/form/AbstractHtmlElementTag.resolveCssClass()Ljava/lang/String;

JVM

org/springframework/web/servlet/tags/form/AbstractHtmlElementTag.writeOptionalAttributes(Lorg/springframework/web/servlet/tags/form/TagWriter;)V

JVM

Affected Ecosystems

affected

Source

National Vulnerability Database

References

spring.ioPROJECT