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7.3

Spip 4.1.10 lets attackers upload harmful SVG images

CVE-2023-53900 · published 10 months ago
Summary

The Spip 4.1.10 content management system does not properly check uploaded SVG files, allowing a malicious picture to be stored on the site. If an administrator later opens that picture, it can send them to an unsafe web address. Update Spip to a newer version or apply the vendor's patch and avoid uploading untrusted SVG files.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
Ecosystem VendorProductAffected versions
– spip spip 4.1.10
cpe:2.3:a:spip:spip:4.1.10:*:*:*:*:*:*:*
Debian:13 debian spip All versions
Ubuntu:Pro:16.04:LTS canonical spip All versions
Original advisory text
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 log...
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.
References
Fix within
Internet-facing 14 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker full control
Severity
7.3 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-79Cross-site Scripting (XSS)
Timeline
Published16 Dec 2025
Updated4 Nov 2026
First seen7 Mar 2026
Sources
CVE-2023-53900 · OSV
CVE-2023-53900 · NVD
CVE-2023-53900 · MITRE
DEBIAN-CVE-2023-53900 · OSV
UBUNTU-CVE-2023-53900 · OSV
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