medium5.1
CVE-2025-48203
[clickstorm] SEO (cs_seo) TYPO3 extension Cross-site Scripting (XSS) vulnerability
Impact
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.
Affected packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| composer | clickstorm/cs-seo | >= 9.0.0, < 9.3.0 | 9.3.0 |
Affected products
| Product | Affected versions |
|---|---|
| Cs Seo Extension | through 9.2.0 |
Versions were read from the advisory text. No structured product data has been published for this record yet.
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://typo3.org/security/advisory/typo3-ext-sa-2025-005
- https://github.com/advisories/GHSA-6p8w-pc35-mqv8
- https://github.com/clickstorm/cs_seo/commit/1cf6c40821102b1f1508fe4e76825569340c8f90
- https://github.com/FriendsOfPHP/security-advisories/blob/master/clickstorm/cs-seo/CVE-2025-48203.yaml
- https://nvd.nist.gov/vuln/detail/CVE-2025-48203