What’s Vulnerable › Vulnerabilities

CVE-2022-50906: e107 CMS v3.2.1 - Admin Upload Restriction Bypass + Stored XSS

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-01-13 · updated 2026-06-17
• Weakness: CWE-79

Description

e107 CMS 3.2.1 contains an upload restriction bypass vulnerability that allows authenticated administrators to upload malicious SVG files through the media manager. Attackers with admin privileges can exploit this vulnerability to upload SVG files with embedded cross-site scripting (XSS) payloads that can execute arbitrary scripts when viewed.

Affected products

• e107 CMS: 3.2.1

References

• https://e107.org/
• https://e107.org/download
• https://www.exploit-db.com/exploits/50910
• https://www.vulncheck.com/advisories/e-cms-admin-upload-restriction-bypass-stored-xss

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