Cross-site scripting in imgproxy SVG sanitizer
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Passive
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- Cross-site scripting, Code execution
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79 and CWE-94.
Summary
imgproxy up to 4.0.17 is affected. A flaw in the sanitizeElement function of the SVG handler (CWE-79) fails to neutralize input in SVG content, which leads to cross-site scripting. A remote attacker can trigger it when a user interacts with crafted content. A public exploit has been published.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Description from the CNA
A flaw has been found in imgproxy up to 4.0.17. Affected by this vulnerability is the function sanitizeElement of the file processing/svg/svg.go of the component SVG Handler. Executing a manipulation can lead to cross site scripting. It is possible to launch the attack remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | imgproxy | 4.0.0; 4.0.1; 4.0.2; 4.0.3; 4.0.4; 4.0.5; 4.0.6; 4.0.7; 4.0.8; 4.0.9; 4.0.10; 4.0.11; 4.0.12; 4.0.13; 4.0.14; 4.0.15; 4.0.16; 4.0.17 | — | No fix listed | CNA |
- imgproxy Vendor— Affected 4.0.0; 4.0.1; 4.0.2; 4.0.3; 4.0.4; 4.0.5; 4.0.6; 4.0.7; 4.0.8; 4.0.9; 4.0.10; 4.0.11; 4.0.12; 4.0.13; 4.0.14; 4.0.15; 4.0.16; 4.0.17 Fixed in — No fix listed CNA
Remediation
The sources list no fixed version for imgproxy.
Written with Claude Haiku 5.5 from the sources below · 2026-10-29
Timeline
- 2026-10-06 Threatist record created from CVE-2026-105708
- 2026-10-06 Alias added: GHSA-5qgf-cr4x-pc9r
- 2026-10-06 CISA SSVC decision points changed
- 2026-10-06 Priority changed: LOW → MEDIUM
References
Sources
- CVE-2026-105708 · CVE Program
- CVE-2026-105708 · NVD
- FIRST EPSS
- GHSA-5qgf-cr4x-pc9r · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences