darylldoyle svg-sanitizer before 1.0.0 contains CSS injection and remote reference bypass vulnerabilities that allow attackers to embed external resources by uploading crafted SVG files. Attackers can use unsanitized style content, unquoted url() values, or image href attributes to exfiltrate page data, track users, or disclose visitor IP addresses.
Attack Parameters
Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
Low
Basic privileges needed
User Interaction
Passive
Minimal interaction
Impact Assessment
Confidentiality
Low
Partial data leak
Integrity
None
No data modification
Availability
None
No disruption
CVSS Vector v4.0
Weakness Type (CWE)
Vulnerable Products 1
| Configuration | From (including) | Up to (excluding) |
|---|---|---|
|
Svg-Sanitizer_Project Svg-Sanitizer
cpe:2.3:a:svg-sanitizer_project:svg-sanitizer:*:*:*:*:*:*:*:*
|
— |
1.0.0
|
References 2
https://github.com/darylldoyle/svg-sanitizer/security/advisories/GHSA-qhmf-972w…
GitHub Security Advisory (GHSA-qhmf-972w-m957)
https://www.vulncheck.com/advisories/darylldoyle-svg-sanitizer-before-1.0.0-css…
VulnCheck Advisory: darylldoyle svg-sanitizer before 1.0.0 CSS Injection and Remote Reference Bypass