CVE-2026-47348 TYPO3 CMS - Cross-Site Scripting in Indexed Search
Editors can inject malicious scripts into page titles via Indexed Search, leading to XSS when rendered in frontend search results.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-47348?
CVE-2026-47348 is a medium-severity cross-site scripting vulnerability in TYPO3 CMS, published on 9 Jun 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-79
Which versions are affected by CVE-2026-47348?
8 open source packages ship an affected version, including typo3/cms-core and typo3/cms-indexed-search.
| Package | Affected | Fixed in |
|---|---|---|
typo3/cms-core Packagist | From 13.0.0 | 13.4.31 |
typo3/cms-core Packagist | From 13.0.0 | 13.4.31 |
typo3/cms-core Packagist | From 14.0.0 | 14.3.3 |
typo3/cms-core Packagist | From 14.0.0 | 14.3.3 |
typo3/cms-indexed-search Packagist | From 13.0.0 | 13.4.31 |
typo3/cms-indexed-search Packagist | From 13.0.0 | 13.4.31 |
2 more packages
typo3/cms-indexed-search Packagist | From 14.0.0 | 14.3.3 |
typo3/cms-indexed-search Packagist | From 14.0.0 | 14.3.3 |
How do I fix CVE-2026-47348?
Upgrade typo3/cms-core to a fixed version for your release line: 13.4.31 or 14.3.3.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-47348 being exploited?
There is no known exploitation of CVE-2026-47348 in the wild and no public exploit code.
Sources
Also known as GHSA-cg75-qfg2-w9hj.