CVE-2022-50906
Published: 13 January 2026
Summary
CVE-2022-50906 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in E107 E107. Its CVSS base score is 4.8 (Medium).
Operationally, ranked at the 29.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2026-2611
Vulnerability details
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…
more
that can execute arbitrary scripts when viewed.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.