CVE-2023-53900 Spip 4.1.10 Admin Account Spoofing via Malicious SVG Upload
Attackers can upload malicious SVG files to trick administrators into visiting dangerous URLs, potentially leading to account takeover.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-53900?
CVE-2023-53900 is a medium-severity cross-site scripting vulnerability in Spip Spip, published on 16 Dec 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Spip 4.1.10 contains a file upload vulnerability that allows attackers to upload malicious SVG files with embedded external links. Attackers can trick administrators into clicking a crafted SVG logo that redirects to a potentially dangerous URL through improper file upload filtering.
Weakness: CWE-79
Which versions are affected by CVE-2023-53900?
It affects 1 product.
Products include Spip Spip.
How do I fix CVE-2023-53900?
No fix has been published for CVE-2023-53900 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-2023-53900 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-53900 exists.
Other vulnerabilities in Spip Spip
Sources
Also known as DEBIAN-CVE-2023-53900, GHSA-3w5m-3c69-745h, UBUNTU-CVE-2023-53900.