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CVE-2020-11070

Cross-Site Scripting in SVG Sanitizer

MEDIUM
5.4
CVSS Score
Published: May 13, 2020 at 06:40 PM UTC
Updated: June 17, 2026 at 02:48 AM UTC
2 products affected across 2 vendorsSvg SanitizerSvg Sanitizer

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.5%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Svg Sanitizer· TYPO3
95%
v < 1.0.3
Affected range stops below 1.0.3, so it looks safe — our inference, not a vendor statement
Svg Sanitizer· TYPO3GMBH
60%
v < 1.0.3
Affected range stops below 1.0.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_CONFIRMThird Party Advisory
Source: [email protected]
https://github.com/TYPO3GmbH/svg_sanitizer/security/advisories/GHSA-59cf-m7v5-wh5w

CVSS

5.4MEDIUMGitHub_M
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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