CVE-2022-50906 e107 CMS v3.2.1 - Admin Upload Restriction Bypass + Stored XSS
Authenticated administrators can bypass upload restrictions to inject malicious SVG files, leading to stored XSS and arbitrary script execution.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2022-50906?
CVE-2022-50906 is a medium-severity cross-site scripting vulnerability in E107 E107, published on 13 Jan 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2022-50906?
It affects 1 product.
Products include E107 E107.
How do I fix CVE-2022-50906?
No fix has been published for CVE-2022-50906 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2022-50906 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-50906 exists.
Other vulnerabilities in E107 E107
- CVE-2021-27885 Cross-site request forgery in n/a
- CVE-2016-10753 Deserialization in n/a
- CVE-2018-15901 Cross-site request forgery in n/a
- CVE-2022-50916 e107 CMS v3.2.1 - Upload restriction bypass (Authenticated [Admin])+ Server file override
- CVE-2022-50907 e107 CMS v3.2.1 - Admin Upload Restriction Bypass + RCE
Sources
Also known as GHSA-h84q-rj7p-53m3.