CVE-2021-47917

Simple CMS 2.1 Persistent Cross-Site Scripting via User Input Parameters

CVSS 5.1 MEDIUMEPSS 0.3%CWE-79

Vexday Risk Score

13Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 5.1EPSS 0.3%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

01 fev 2026Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

Simple CMS 2.1 contains a persistent cross-site scripting vulnerability in user input parameters that allows remote attackers to inject malicious script code. Attackers can exploit the newUser and editUser modules to inject persistent scripts that execute on user list preview, potentially leading to session hijacking and application manipulation.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

Produtos afetados

Simplephpscripts · Simple CMS

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Referências

https://simplephpscripts.com/simple-cms-php https://www.vulncheck.com/advisories/simple-cms-persistent-cross-site-scripting-via-user-input-parameters https://www.vulnerability-lab.com/get_content.php?id=2302