4.5
MEDIUM CVSS 3.1
CVE-2025-26791
DOMPurify Cross-Site Scripting (XSS)
Description

DOMPurify before 3.2.4 has an incorrect template literal regular expression, sometimes leading to mutation cross-site scripting (mXSS).

INFO

Published Date :

Feb. 14, 2025, 9:15 a.m.

Last Modified :

Feb. 14, 2025, 4:15 p.m.

Remotely Exploit :

No

Source :

[email protected]
Affected Products

The following products are affected by CVE-2025-26791 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Cure53 dompurify
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM [email protected]
Solution
Follow the instructions below to mitigate the CVE-2025-26791 vulnerability.
Update the affected automation-gateway-server package.
Public PoC/Exploit Available at Github

CVE-2025-26791 has a 6 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-26791.

URL Resource
https://ensy.zip/posts/dompurify-323-bypass/
https://github.com/cure53/DOMPurify/commit/d18ffcb554e0001748865da03ac75dd7829f0f02
https://github.com/cure53/DOMPurify/releases/tag/3.2.4
https://nsysean.github.io/posts/dompurify-323-bypass/
https://ensy.zip/posts/dompurify-323-bypass/
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-26791 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-26791 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
tssbox/ab-bc-01

broken brokencrystals

Dockerfile TypeScript JavaScript Shell HTML CSS Perl

Updated: 2 weeks, 4 days ago
0 stars 0 fork 0 watcher
Born at : July 31, 2025, 1:03 p.m. This repo has been linked 8 different CVEs too.
Profile Photo
H4mzaX/XSSniper

🚀 Advanced XSS Scanner Tool with WAF Detection & Browser Verification | 80+ Payloads | Multi-threaded | Professional Reporting

automation cybersecurity ethical-hacking penetration-testing python security vulnerability-scanner waf-bypass web-security xss

Python Shell

Updated: 1 month, 1 week ago
1 stars 0 fork 0 watcher
Born at : July 2, 2025, 9:43 p.m. This repo has been linked 2 different CVEs too.
Profile Photo
gregdo21/brokencrystals

None

Dockerfile TypeScript JavaScript Shell HTML CSS Perl

Updated: 2 months, 1 week ago
0 stars 0 fork 0 watcher
Born at : June 6, 2025, 2:14 p.m. This repo has been linked 8 different CVEs too.
Profile Photo
hdgittest/brokencrystals

None

Dockerfile TypeScript JavaScript Shell HTML CSS Perl

Updated: 1 month ago
0 stars 0 fork 0 watcher
Born at : April 22, 2025, 2:50 p.m. This repo has been linked 8 different CVEs too.
Profile Photo
Sang-DevSecOps1/Brokencrystals-CI-CD-Pipeline

None

Dockerfile TypeScript JavaScript Shell HTML CSS Perl

Updated: 4 months, 2 weeks ago
0 stars 0 fork 0 watcher
Born at : April 4, 2025, 11:16 a.m. This repo has been linked 8 different CVEs too.
Profile Photo
NeuraLegion/brokencrystals

A Broken Application - Very Vulnerable!

security cyber-security secops devops typescript react nodejs nestjs vulnerable benchmark

Shell JavaScript TypeScript CSS HTML Dockerfile Perl

Updated: 23 hours, 6 minutes ago
167 stars 249 fork 249 watcher
Born at : Dec. 10, 2020, 4:03 p.m. This repo has been linked 8 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-26791 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-26791 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Feb. 14, 2025

    Action Type Old Value New Value
    Added Reference https://ensy.zip/posts/dompurify-323-bypass/
  • New CVE Received by [email protected]

    Feb. 14, 2025

    Action Type Old Value New Value
    Added Description DOMPurify before 3.2.4 has an incorrect template literal regular expression, sometimes leading to mutation cross-site scripting (mXSS).
    Added CVSS V3.1 AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
    Added CWE CWE-79
    Added Reference https://ensy.zip/posts/dompurify-323-bypass/
    Added Reference https://github.com/cure53/DOMPurify/commit/d18ffcb554e0001748865da03ac75dd7829f0f02
    Added Reference https://github.com/cure53/DOMPurify/releases/tag/3.2.4
    Added Reference https://nsysean.github.io/posts/dompurify-323-bypass/
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 4.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact