CVE-2019-25729
PDF Signer 3.0 Server-Side Template Injection RCE via CSRF Cookie
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-352 |
| Vendor | simcy_creative |
| Product | pdf signer |
| Published | Jun 4, 2026 |
| Last Updated | Jun 4, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
simcy_creative / PDF Signer
3.0
References
exploit-db.com: https://www.exploit-db.com/exploits/46276 codecanyon.net: https://codecanyon.net/user/simcy_creative codecanyon.net: https://codecanyon.net/item/signer-create-digital-signatures-and-sign-pdf-documents-online/20737707 vulncheck.com: https://www.vulncheck.com/advisories/pdf-signer-server-side-template-injection-rce-via-csrf-cookie
Credits
dd_ ([email protected])