vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2023-47125

By-passing Cross-Site Scripting Protection in HTML Sanitizer

MEDIUM
6.1
CVSS Score
Published: November 14, 2023 at 08:07 PM UTC
Updated: June 17, 2026 at 06:32 AM UTC
2 products affected across 1 vendorTYPO3Html Sanitizer

Using html-sanitizer by TYPO3?

Get instant alerts when new vulnerabilities affect html-sanitizer - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
MEDIUM6.1
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

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.

Affected

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

Html Sanitizer· TYPO3composer
95%
v < 1.5.3v < 2.1.41.0.0 ≤ v < 1.5.32.0.0 ≤ v < 2.1.4
Affected range stops below 1.5.3, so it looks safe — our inference, not a vendor statement
Affected range stops below 2.1.4, so it looks safe — our inference, not a vendor statement
TYPO3· TYPO3composer
95%
10.4.19 ≤ v < 10.4.4111.3.2 ≤ v < 11.5.3312.0.0 ≤ v < 12.4.88.7.42 ≤ v < 8.7.559.5.29 ≤ v < 9.5.44
Affected range stops below 10.4.41, so it looks safe — our inference, not a vendor statement
Affected range stops below 11.5.33, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.4.8, so it looks safe — our inference, not a vendor statement
Affected range stops below 8.7.55, so it looks safe — our inference, not a vendor statement
Affected range stops below 9.5.44, so it looks safe — our inference, not a vendor statement

References (3)

x_refsource_MISCPatch
Source: [email protected]
https://github.com/TYPO3/html-sanitizer/commit/b8f90717251d968c49dc77f8c1e5912e2fbe0dff
x_refsource_CONFIRMVendor Advisory
Source: [email protected]
https://github.com/TYPO3/html-sanitizer/security/advisories/GHSA-mm79-jhqm-9j54
x_refsource_MISCVendor Advisory
Source: [email protected]
https://typo3.org/security/advisory/typo3-core-sa-2023-007

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.1MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card