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CVE-2025-48203: [clickstorm] SEO (cs_seo) TYPO3 extension Cross-site Scripting (XSS) vulnerability

medium Affects clickstorm/cs-seo. Feed 2026.10.29.4, updated 2026-10-29; published .

[clickstorm] SEO (cs_seo) TYPO3 extension Cross-site Scripting (XSS) vulnerability

Package
clickstorm/cs-seo Composer
Affected versions
>=9.0.0 and <9.3.0 or >=8.0.0 and <8.4.0 or >=7.0.0 and <7.5.0 or >=6.3.0 and <6.8.0
Fixed in
9.3.0, 8.4.0, 7.5.0, 6.8.0
Severity
medium  CVSS 5.5
Exploitation
not on CISA KEV · EPSS 0% (16.1th percentile)
Published
2025-05-21
Source
osv.dev

References

CWE-79
NVD recordclickstorm/cs-seo advisories

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# PHP projects (recommended)
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# then
vendor/bin/phpwarden deps composer.lock

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