typo3 svg-sanitizer CVE-2020-11070 is a vulnerability in TYPO3 Svg Sanitizer
Published on May 13, 2020

Cross-Site Scripting in SVG Sanitizer
The SVG Sanitizer extension for TYPO3 has a cross-site scripting vulnerability in versions before 1.0.3. Slightly invalid or incomplete SVG markup is not correctly processed and thus not sanitized at all. Albeit the markup is not valid it still is evaluated in browsers and leads to cross-site scripting. This is fixed in version 1.0.3.

Github Repository NVD

Vulnerability Analysis

CVE-2020-11070 is exploitable with network access, requires user interaction and a small amount of user privileges. This vulnerability is considered to have a low 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:
LOW
Privileges Required:
LOW
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-2020-11070 has been classified to as a XSS vulnerability or weakness.


Products Associated with CVE-2020-11070

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Affected Versions

TYPO3GmbH svg_sanitizer Version < 1.0.3 is affected by CVE-2020-11070

Vulnerable Packages

The following package name and versions may be associated with CVE-2020-11070

Package Manager Vulnerable Package Versions Fixed In
composer t3g/svg-sanitizer < 1.0.3 1.0.3

Exploit Probability

EPSS
0.21%
Percentile
42.75%

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.