What’s Vulnerable › Vulnerabilities

CVE-2016-4991

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.8% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-07-28 · updated 2026-06-17
• Weakness: CWE-77

Description

Input passed to the Pdf() function is shell escaped and passed to child_process.exec() during PDF rendering. However, the shell escape does not properly encode all special characters, namely, semicolon and curly braces. This can be abused to achieve command execution. This problem affects nodepdf 1.3.0.

Affected products

• nodepdf: 1.3.0

References

• https://lf.lc/cve/cve-2016-4991/
• https://lf.lc/cve/cve-2016-4991/

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