# 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.

- **Severity:** Medium 5.1 (`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`)
- **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:** Yes
- **Published:** 9 Jun 2026
- **Updated:** 11 Jun 2026
- **Also known as:** GHSA-cg75-qfg2-w9hj

## 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 (Improper Neutralization of Input During Web Page Generation)

## 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 | Ecosystem | 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 |
| `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.

## Is CVE-2026-47348 being exploited?

There is no known exploitation of CVE-2026-47348 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-47348 and fix it if it is affected.

What it is: 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.
Exploitation: There is no known exploitation of CVE-2026-47348 in the wild and no public exploit code.

Affected packages and fixed versions:
- typo3/cms-core (Packagist): affected from 13.0.0; fixed in 13.4.31
- typo3/cms-core (Packagist): affected from 13.0.0; fixed in 13.4.31
- typo3/cms-core (Packagist): affected from 14.0.0; fixed in 14.3.3
- typo3/cms-core (Packagist): affected from 14.0.0; fixed in 14.3.3
- typo3/cms-indexed-search (Packagist): affected from 13.0.0; fixed in 13.4.31
- typo3/cms-indexed-search (Packagist): affected from 13.0.0; fixed in 13.4.31
- typo3/cms-indexed-search (Packagist): affected from 14.0.0; fixed in 14.3.3
- typo3/cms-indexed-search (Packagist): affected from 14.0.0; fixed in 14.3.3

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-47348/ (Markdown: https://insights.sbomify.com/CVE-2026-47348/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-47348
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-47348
- OSV: https://osv.dev/vulnerability/CVE-2026-47348

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-47348/
Summaries are generated and may contain mistakes; the official description above is the record.