Critical severity9.8NVD Advisory· Published Jun 4, 2026· Updated Jun 4, 2026

CVE-2019-25729

Description

PDF Signer 3.0 contains a server-side template injection vulnerability that allows unauthenticated attackers to execute arbitrary code by injecting PHP commands through the CSRF-TOKEN cookie parameter. Attackers can craft malicious cookie values containing template injection payloads like shell_exec() to execute system commands and retrieve sensitive information from the server.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

PDF Signer/PDF Signerllm-fuzzy
Range: <3.0

Patches

Vulnerability mechanics

References

codecanyon.net/item/signer-create-digital-signatures-and-sign-pdf-documents-online/20737707nvd
codecanyon.net/user/simcy_creativenvd
www.exploit-db.com/exploits/46276nvd
www.vulncheck.com/advisories/pdf-signer-server-side-template-injection-rce-via-csrf-cookienvd

News mentions

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