Sulu vulnerable to XXE in SVG File upload Inspector
Impact
A admin user can upload SVG which may load external data via XML DOM library, specially this can be used for eventually reference none secure XML External Entity References.
Patches
The problem has not been patched yet. Users should upgrade to patched versions once they become available. Currently affected versions are:
- 2.6.9
- 2.5.25
- 3.0.0-alpha3
Workarounds
Patch the effect file src/Sulu/Bundle/MediaBundle/FileInspector/SvgFileInspector.php in sulu with:
-$dom->loadXML($svg, \LIBXML_NOENT | \LIBXML_DTDLOAD);
+$dom->loadXML($data, LIBXML_NONET);References
- GitHub repository: https://github.com/sulu/sulu
- Vulnerable code: https://github.com/sulu/sulu/blob/2.6/src/Sulu/Bundle/MediaBundle/FileInspector/SvgFileInspector.php
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | sulu/sulu | >= 2.5.21, < 2.5.25, >= 2.6.5, < 2.6.9, >= 3.0.0-alpha1, < 3.0.0-alpha3 | 2.5.25, 2.6.9, 3.0.0-alpha3 |
References
- https://github.com/sulu/sulu/security/advisories/GHSA-f6rx-hf55-4255
- https://nvd.nist.gov/vuln/detail/CVE-2025-47778
- https://github.com/sulu/sulu/commit/02f52fca04eb9495b9b4a0c5cc64cf23bc27f544
- https://github.com/sulu/sulu
- https://github.com/sulu/sulu/blob/2.6/src/Sulu/Bundle/MediaBundle/FileInspector/SvgFileInspector.php
- CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U- Weakness (CWE)
CWE-611- Platform
- Composer
- Package
sulu/sulu- Disclosed
- 15.05.2025
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-f6rx-hf55-4255 - CC BY 4.0
Vulnerability history: sulu/sulu
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 18
- First → latest
- 08.2020 09.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- High 2
- Medium 14
- Low 2
Disclosures per year
- 2020: 1
- 2021: 4
- 2022: 0
- 2023: 1
- 2024: 4
- 2025: 1
- 2026: 7
-
Sulu vulnerable to XXE in SVG File upload Inspector this entry
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