CVE-2022-43556: Concrete CMS vulnerable to cross-site scripting in the text input field

medium Affects concrete5/concrete5. Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

Concrete CMS vulnerable to cross-site scripting in the text input field

Package
concrete5/concrete5 Composer
Affected versions
<8.5.10 or >=9.0.0 and <9.1.3
Fixed in
8.5.10, 9.1.3
Severity
medium  CVSS 4.2
Exploitation
not on CISA KEV · EPSS 1% (51.3th percentile)
Published
2022-12-06
Source
osv.dev

References

CWE-79
NVD recordconcrete5/concrete5 advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

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