Medium severity6.4NVD Advisory· Published Feb 1, 2026· Updated Jun 17, 2026
CVE-2021-47917
CVE-2021-47917
Description
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.
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Affected products
3cpe:2.3:a:simplephpscripts:simple_cms_php:2.1:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:simplephpscripts:simple_cms_php:2.1:*:*:*:*:*:*:*
- (no CPE)range: 2.1
- Range: 2.1
Patches
Vulnerability mechanics
References
3- www.vulnerability-lab.com/get_content.phpnvdExploitThird Party Advisory
- www.vulncheck.com/advisories/simple-cms-persistent-cross-site-scripting-via-user-input-parametersnvdThird Party Advisory
- simplephpscripts.com/simple-cms-phpnvdProduct
News mentions
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