TYPO3 CMS up to 13.4.30/14.3.2 cross site scripting

CVSS Meta Temp Score
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CTI Interest Score
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3.4$0-$5k2.54-

Summaryinfo

A vulnerability, which was classified as problematic, was found in TYPO3 CMS up to 13.4.30/14.3.2. This vulnerability affects unknown code. The manipulation results in cross site scripting. This vulnerability is cataloged as CVE-2026-47348. The attack may be launched remotely. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in TYPO3 CMS up to 13.4.30/14.3.2. Affected is some unknown functionality. The manipulation with an unknown input leads to a cross site scripting vulnerability. CWE is classifying the issue as CWE-79. The product 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. This is going to have an impact on integrity. CVE summarizes:

Editors with access to create or modify page content were able to include HTML markup in page titles that were stored in the search index without sanitization. When displayed in frontend search results via the Indexed Search plugin, these titles were rendered without proper output encoding, resulting in a Cross-Site Scripting vulnerability. This issue affects TYPO3 CMS versions 13.0.0-13.4.30 and 14.0.0-14.3.2.

The advisory is shared for download at typo3.org. This vulnerability is traded as CVE-2026-47348 since 05/19/2026. The exploitability is told to be easy. It is possible to launch the attack remotely. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 13.4.31 or 14.3.3 eliminates this vulnerability. Applying the patch 2e96dd0e9fab7ad877b741fb9f6fc645b4270a3e is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2026-1835). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Affected

  • TYPO3 Core

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.5
VulDB Temp Score: 3.4
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Cross site scripting
CWE: CWE-79 / CWE-94 / CWE-74
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: CMS 13.4.31/14.3.3
Patch: 2e96dd0e9fab7ad877b741fb9f6fc645b4270a3e

Timelineinfo

05/19/2026 CVE reserved
06/09/2026 +21 days Advisory disclosed
06/09/2026 +0 days VulDB entry created
06/09/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: typo3.org
Status: Confirmed

CVE: CVE-2026-47348 (🔒)
GCVE (CVE): GCVE-0-2026-47348
GCVE (VulDB): GCVE-100-369504
CERT Bund: WID-SEC-2026-1835 - TYPO3 Core: Mehrere Schwachstellen

Entryinfo

Created: 06/09/2026 13:39
Updated: 06/09/2026 17:37
Changes: 06/09/2026 13:39 (69), 06/09/2026 17:37 (7)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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