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CVE-2020-11064

Cross-Site Scripting in TYPO3 CMS

MEDIUM
5.4
CVSS Score
Published: May 13, 2020 at 10:50 PM UTC
Updated: June 17, 2026 at 02:48 AM UTC
1 product affected across 1 vendorTYPO3

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.5%

Description

In TYPO3 CMS greater than or equal to 9.0.0 and less than 9.5.17 and greater than or equal to 10.0.0 and less than 10.4.2, it has been discovered that HTML placeholder attributes containing data of other database records are vulnerable to cross-site scripting. A valid backend user account is needed to exploit this vulnerability. This has been fixed in 9.5.17 and 10.4.2.

Affected

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

TYPO3· TYPO3composer
95%
v < 10.4.2v < 9.5.1710.0.0 ≤ v < 10.4.29.0.0 ≤ v < 9.5.17
Affected range stops below 10.4.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.5.17, 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/TYPO3/TYPO3.CMS/security/advisories/GHSA-43gj-mj2w-wh46

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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