Spring Framework Cross-site Scripting via JavaScriptUtils

published 2026-06-09 5 mo ago modified 2026-09-10 1 mo ago also GHSA-3chg-m5w7-qfv5 , EUVD-2026-35333

cvss: 7.1; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 5%
public exploits: 0; none known

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.

Patch / fix

fixed in 2 links 4

maven org.springframework:spring-webmvc 6.2.19, 7.0.8
Spring Spring Framework 5.3.49, 6.1.28, 6.2.18.1, 7.0.7.1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2026-41845 updated 2026-07-17 cvss 7.1

org.springframework: Spring Framework: Cross-site scripting (XSS) via incorrect JavaScript escaping

Red Hat OpenShift Developer Tools and Services spring-web 6.2.14 Red Hat OpenShift Dev Spaces spring-web 6.2.14
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 5 mo ago (2026-06-09)

Exploit prediction

0.16% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	7.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N
NVD	3.1	6.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
GitHub	3.1	7.1	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
maven	org.springframework:spring-webmvc	>=7.0.0, <7.0.8 >=6.2.0, <6.2.19 >=6.1.0, <=6.1.21 <=5.3.39	7.0.8 6.2.19

Affected products

Spring Spring Framework

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

Technology feeds

Spring rss critical rss

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary