XSS in E107
CVE-2022-50906
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (33.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.001
Affected products
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/50910 (Exploit, VDB Entry, Third Party Advisory, exploit)
- e107.org/ (Product, product)
- e107.org/download (Product, product)
- www.vulncheck.com/advisories/e-cms-admin-upload-restriction-bypass-stored-xss (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2022-50906?
- CVE-2022-50906 is a medium-severity vulnerability in E107, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2026-01-13.
- How severe is CVE-2022-50906?
- Medium severity. CVSS v3 base score is 4.8 out of 10.