CVE-2023-47125 XSS via DOM PI in typo3/html-sanitizer before 1.5.3/2.1.4
CVE-2023-47125 Published on November 14, 2023

By-passing Cross-Site Scripting Protection in HTML Sanitizer
TYPO3 is an open source PHP based web content management system released under the GNU GPL. In affected versions DOM processing instructions are not handled correctly. This allows bypassing the cross-site scripting mechanism of typo3/html-sanitizer. This vulnerability has been addressed in versions 1.5.3 and 2.1.4. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Github Repository NVD

Vulnerability Analysis

CVE-2023-47125 can be exploited with network access, requires user interaction. This vulnerability is consided to have a high level of attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
HIGH
Privileges Required:
NONE
User Interaction:
REQUIRED
Scope:
CHANGED
Confidentiality Impact:
LOW
Integrity Impact:
LOW
Availability Impact:
NONE

Weakness Type

What is a XSS Vulnerability?

The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

CVE-2023-47125 has been classified to as a XSS vulnerability or weakness.


Products Associated with CVE-2023-47125

stack.watch emails you whenever new vulnerabilities are published in TYPO3 or TYPO3 Html Sanitizer. Just hit a watch button to start following.

TYPO3
 
TYPO3 Html Sanitizer
 

Affected Versions

TYPO3 html-sanitizer:

Vulnerable Packages

The following package name and versions may be associated with CVE-2023-47125

Package Manager Vulnerable Package Versions Fixed In
composer typo3/html-sanitizer >= 1.0.0, <= 1.5.2 1.5.3
composer typo3/html-sanitizer >= 2.0.0, <= 2.1.3 2.1.4

Exploit Probability

EPSS
0.48%
Percentile
64.86%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.