GHSA-6p8w-pc35-mqv8
[clickstorm] SEO (cs_seo) TYPO3 extension Cross-site Scripting (XSS) vulnerability
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Packagist | clickstorm/cs-seo | >= 9.0.0, < 9.3.0 | 9.3.0 |
| Packagist | clickstorm/cs-seo | >= 8.0.0, < 8.4.0 | 8.4.0 |
| Packagist | clickstorm/cs-seo | >= 7.0.0, < 7.5.0 | 7.5.0 |
| Packagist | clickstorm/cs-seo | >= 6.3.0, < 6.8.0 | 6.8.0 |
Details
As written in the advisory (Markdown source, shown as plain text).
Cross-site scripting (XSS) vulnerability in the [clickstorm] SEO (cs_seo) TYPO3 extension allows backend users to execute arbitrary script via the JSON-LD output.
References
External links from the advisory. They lead to third-party sites.
- https://nvd.nist.gov/vuln/detail/CVE-2025-48203
- https://github.com/clickstorm/cs_seo/commit/1cf6c40821102b1f1508fe4e76825569340c8f90
- https://github.com/FriendsOfPHP/security-advisories/blob/master/clickstorm/cs-seo/CVE-2025-48203.yaml
- https://github.com/clickstorm/cs_seo
- https://typo3.org/security/advisory/typo3-ext-sa-2025-005