CVE-2021-3902
CRITICAL WAF: High
CVSS 9.8
Published: 2024-11-15
CWE-611
An improper restriction of external entities (XXE) vulnerability in dompdf/dompdf's SVG parser allows for Server-Side Request Forgery (SSRF) and deserialization attacks. This issue affects all versions prior to 2.0.0. The vulnerability can be exploited even if the isRemoteEnabled option is set to false. It allows attackers to perform SSRF, disclose internal image files, and cause PHAR deserialization attacks.
WAF Coverage Analysis
XML External Entity (XXE)
High WAF Coverage
OWASP: A05:2021 Security Misconfiguration
941xxx - XSS / XXE
Affected Software
| Vendor | Product | Version |
|---|---|---|
| dompdf_project | dompdf | up to 2.0.0 |
References
- github.com (Patch)
- huntr.com (Exploit, Issue Tracking, Patch, Third Party Advisory)