darylldoyle svg-sanitizer before 1.0.0 CSS Injection and Remote Reference Bypass
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 1.0.0
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
The darylldoyle svg-sanitizer library, used to clean SVG files before they are displayed, can be bypassed through its CSS and external reference handling. An attacker who uploads a specially crafted SVG file can load outside resources, which may allow them to extract page data, track users, or reveal visitors' IP addresses.
Summarized by anthropic/claude-haiku-5.5. Verify details against the original sources.
Read the original description
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.
Timeline
- CVE published
- First seen by cve.now
Affected versions
- darylldoyle svg-sanitizer
fixed in 1.0.0