CVE-2021-3902 — Improper Restriction of XML External Entity Reference in dompdf/dompdf
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 is…
Published: 2024-11-15 · CVSS: 9.8 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7