Stored cross site scripting in RSS displayer

MÉDIO 5.4CVE-2023-28820 · GHSA-fgxj-g7x3-85cq · Published 28/04/2023 · updated 17/06/2026

Em resumo

CVE-2023-28820 é uma vulnerabilidade MÉDIO (CVSS 5.4) que afeta concrete5/concrete5, concrete cms (concretecms).
Chance de exploração nos próximos 30 dias (EPSS): 0.39%, maior que 33.5% das vulnerabilidades.
Correção: atualize para 9.1.0 ou posterior.

Package	Affected versions	Patched versions
concrete5/concrete5 Packagist	`< 9.1.0`	`9.1.0`
concrete cms concretecms	`< 9.1.0`	`9.1.0`

Description

Concrete CMS (previously concrete5) before 9.1 is vulnerable to stored XSS in RSS Displayer via the href attribute because the link element input was not sanitized.

NVD description

Concrete CMS (previously concrete5) before 9.1 is vulnerable to stored XSS in RSS Displayer via the href attribute because the link element input was not sanitized.

References

nvd.nist.gov/vuln/detail/CVE-2023-28820 · ADVISORY
concretecms/concretecms · PACKAGE
concretecms/concretecms release · WEB
concretecms.org/about/project-news/security/concrete-cms-security-advisory-2023-04-20 · WEB

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Package

Affected versions

Patched versions

concrete5/concrete5

Packagist

< 9.1.0

9.1.0

concrete cms

concretecms

< 9.1.0

9.1.0

Description

Concrete CMS (previously concrete5) before 9.1 is vulnerable to stored XSS in RSS Displayer via the href attribute because the link element input was not sanitized.

NVD description

Concrete CMS (previously concrete5) before 9.1 is vulnerable to stored XSS in RSS Displayer via the href attribute because the link element input was not sanitized.

Mais vulnerabilidades de concrete5/concrete5

Ver tudo →