In short
- CVE-2021-3902 is a CRITICAL (CVSS 9.8) vulnerability affecting dompdf/dompdf, dompdf (dompdf project).
- Chance of exploitation in the next 30 days (EPSS): 0.95%, higher than 61.3% of all vulnerabilities.
- Fix: update to 2.0.0 or later.
Description
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.
NVD description
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.
More vulnerabilities in dompdf/dompdf
See all →Running one of these products? Scan your site to see whether it exposes a vulnerable version.
Scan my site free