🛡️ CVE-2026-47348 — cms-core

⚪ Unknown ✅ No Known Exploit CWE-79 NVD
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

TYPO3 CMS has Cross-Site Scripting in Indexed Search

Problem

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.

Solution

Update to TYPO3 versions 13.4.31 LTS, 14.3.3 LTS that fix the problem described.

Credits

TYPO3 CMS thanks Jan Kahmen and Sanjay Singh Jhala for reporting this issue, and to TYPO3 core & security team member Oliver Hader for fixing it.

Resources

  • [TYPO3-CORE-SA-2026-010](https://typo3.org/security/advisory/typo3-core-sa-2026-010)

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. A user must be tricked into taking some action. Rated impact: confidentiality low, integrity low, availability none.

Weakness class

CVE-2026-47348 is classified as CWE-79: Cross-site Scripting (XSS). User-supplied data is written into a page without escaping, so attacker script runs in the browser of anyone who views it.

Affected software

CVE-2026-47348 is recorded against 3 packages.

  • typo3/cms-core (from 14.0.0 up to 14.3.3)
  • typo3/cms-indexed-search (from 14.0.0 up to 14.3.3)
  • unknown

Timeline and source

Published on 12 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

github.com (Web)
nvd.nist.gov (Advisory)
github.com (Web)
github.com (Web)
github.com (Web)
github.com (Package)
typo3.org (Web)

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:L/SA:N
CWE CWE-79
Public Exploit ✅ No
Source NVD
Published 2026-06-12
Updated 2026-08-12
Modified 2026-06-12
Fix URL N/A

Affected Packages

Software From version Fixed in
typo3/cms-core 14.0.0 14.3.3
typo3/cms-indexed-search 14.0.0 14.3.3
unknown

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