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CVE-2026-41845— Spring Framework Cross-site Scripting via JavaScriptUtils

Quick assessment

Affected
Spring Spring Framework
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Spring Framework是Spring开源的一款应用开发框架。 Spring Framework 7.0.0至7.0.7版本、6.2.0至6.2.18版本、6.1.0至6.1.27版本和5.3.0至5.3.48版本存在跨站脚本漏洞，该漏洞源于JavaScriptUtils.javaScriptEscape()转义不当，可能导致浏览器中JavaScript代码注入，从而引发跨站脚本漏洞。

CVSS 7.1 · High EPSS 0.16% · P6

Affected Version Matrix 4

VendorProduct Version RangeStatus
Spring Spring Framework 7.0.0< 7.0.7.1 affected
6.2.0< 6.2.18.1 affected
6.1.0< 6.1.28 affected
5.3.0< 5.3.49 affected
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I. Basic Information for CVE-2026-41845

Vulnerability Information
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Vulnerability Title
Spring Framework Cross-site Scripting via JavaScriptUtils
Source: CVE Program / CVE List V5
Vulnerability Description
Due to incorrect escaping, the use of JavaScriptUtils.javaScriptEscape() may lead to JavaScript code injection in the browser, 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
Spring Framework 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Spring Framework是Spring开源的一款应用开发框架。 Spring Framework 7.0.0至7.0.7版本、6.2.0至6.2.18版本、6.1.0至6.1.27版本和5.3.0至5.3.48版本存在跨站脚本漏洞，该漏洞源于JavaScriptUtils.javaScriptEscape()转义不当，可能导致浏览器中JavaScript代码注入，从而引发跨站脚本漏洞。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Spring Spring Framework 7.0.0 ~ 7.0.7.1 -

II. Public POCs for CVE-2026-41845

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III. Intelligence Information for CVE-2026-41845

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Vendor Advisories for CVE-2026-41845 (1)

Same Patch Batch · Spring · 2026-06-09 · 51 CVEs total

CVE-2026-41717 8.1 HIGH Spring Data MongoDB - SpEL Expression Injection via Annotated Query Parameter Binding
CVE-2026-41732 8.1 HIGH In Spring for Apache Pulsar, overly broad trusted-package matching in header mapper expose
CVE-2026-41855 8.1 HIGH Spring Framework Unsafe Deserialization via Jackson JMS Converters
CVE-2026-41729 8.1 HIGH Spring Data REST SpEL Injection via Map Key in JSON Patch
CVE-2026-41731 8.1 HIGH In Spring for Apache Kafka, overly broad trusted-package matching in header mappers expose
CVE-2026-41003 7.6 HIGH Unencoded HTML Outputs in Spring Security May Allow Cross-Site Scripting
CVE-2026-41716 7.5 HIGH Spring Data web support unbounded negative-result cache keyed on attacker-supplied propert
CVE-2026-40984 7.5 HIGH Micrometer HTTP server instrumentations DoS vulnerability
CVE-2026-41007 7.5 HIGH Spring HATEOAS heap exhaustion through unbounded internal caching
CVE-2026-41850 7.5 HIGH Spring Framework Algorithmic Denial of Service via SpEL Expressions
CVE-2026-40983 7.5 HIGH Micrometer gRPC server instrumentation DoS vulnerability
CVE-2026-40988 7.5 HIGH Unbounded DEFLATE Inflation in SAML 2.0 Service Provider
CVE-2026-41006 7.5 HIGH Spring HATEOAS Collection+JSON/UBER deserializers do not honor Jackson configuration
CVE-2026-41695 7.5 HIGH Denial of Service in Spring Data Commons Property Path Resolution
CVE-2026-41728 7.5 HIGH Spring Data REST JSON Patch bypasses Jackson read-only property protection on nested objec
CVE-2026-41849 7.5 HIGH Spring Framework Denial of Service via Integer Overflow in SpEL Expressions
CVE-2026-41842 7.5 HIGH Spring Framework Denial of Service via Versioned Resources in Spring MVC and WebFlux
CVE-2026-41720 7.4 HIGH Authentication Bypass with Empty Password in Spring LDAP
CVE-2026-40993 7.3 HIGH Unfiltered Java Native Deserialization of SAML 2.0 Asserting Party Credentials BLOB Databa
CVE-2026-47838 6.8 MEDIUM Unauthorized User Impersonation when Using X.509 Client Certificates

Showing top 20 of 51 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Spring Framework
Same vendor: Spring
Same weakness: CWE-79

V. Comments for CVE-2026-41845

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