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CVE-2021-47917: Improper Neutralization of Input During Web Page Generation

🗓️ 01 Feb 2026 00:00:00Reported by Rapid7Type 
rapid7
 rapid7
🔗 www.rapid7.com

Remote persistent XSS in Simple CMS 2.1 newUser and editUser modules allows session hijacking.

Related
Refs
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2021-47917
1 Feb 202612:15
–attackerkb
cnnvd
CNNVD
Simple CMS 跨站脚本漏洞
1 Feb 202600:00
–cnnvd
cve
CVE
CVE-2021-47917
1 Feb 202612:15
–cve
cvelist
Cvelist
CVE-2021-47917 Simple CMS 2.1 Persistent Cross-Site Scripting via User Input Parameters
1 Feb 202612:15
–cvelist
euvd
EUVD
EUVD-2021-34754
1 Feb 202612:15
–euvd
nvd
NVD
CVE-2021-47917
1 Feb 202613:15
–nvd
osv
OSV
CVE-2021-47917
1 Feb 202613:15
–osv
ptsecurity
Positive Technologies
PT-2026-5562
1 Feb 202600:00
–ptsecurity
vulnrichment
Vulnrichment
CVE-2021-47917 Simple CMS 2.1 Persistent Cross-Site Scripting via User Input Parameters
1 Feb 202612:15
–vulnrichment

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11 Feb 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 45.1
CVSS 3.15.4 - 6.4
EPSS0.00307
SSVC
0