🛡️ CVE-2026-47348 — cms-core
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
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
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 | — | — |
Similar Threats
- Unknown CVE-2019-12748
- High CVE-2019-11832
- High CVE-2019-12747
- Unknown CVE-2019-19848
- High CVE-2019-19849
More CVE 2026 advisories
Browse all of CVE 2026 in the advisory index.
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