Vulnerability · Published Sep 11, 2025 · Assigned by snyk

CVE-2025-9910

Medium 4.7

In plain English

A medium-severity cross-site scripting in jsondiffpatch. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 25% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.7Medium

Exploit odds (30 days)0.3%top 75.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

Versions of the package jsondiffpatch before 0.7.2 are vulnerable to Cross-site Scripting (XSS) via HtmlFormatter::nodeBegin. An attacker can inject malicious scripts into HTML payloads that may lead to code execution if untrusted payloads were used as source for the diff, and the result renderer using the built-in html formatter on a private website.

Affected packages & fixed versions

Ecosystem	Package	Fixed in	Advisory
npm	jsondiffpatch	0.7.2	GHSA-33vc-wfww-vjfv

Affected products (as reported)

Vendor	Product	Versions
n/a	jsondiffpatch	0 – before 0.7.2
n/a	org.webjars.npm:jsondiffpatch	0 – before *
n/a	org.webjars.bower:jsondiffpatch	0 – before *

Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N/E:P

In plain English

Official description

Affected packages & fixed versions

Affected products (as reported)

References