SecuriTricks - 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.

Product(s) Impacted

Vendor	Product	Versions
*	Pdf Signer	*

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-352

Cross-Site Request Forgery (CSRF)

The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	/	pdf_signer	/	/	/	/	/	/	/	/

References

https://codecanyon.net/item/signer-create-digital-signatures-and-sign-pdf-documents-online/20737707

https://codecanyon.net/user/simcy_creative

https://www.exploit-db.com/exploits/46276

https://www.vulncheck.com/advisories/pdf-signer-server-side-template-injection-rce-via-csrf-cookie

CVSS Score

9.3 / 10

CVSS Data - 4.0

Attack Vector: NETWORK
Attack Complexity: LOW
Attack Requirements: NONE
Privileges Required: NONE
User Interaction: NONE
Scope:
Confidentiality Impact: HIGH
Integrity Impact: HIGH
Availability Impact: HIGH
Exploit Maturity: NOT_DEFINED

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

View Vector String

Timeline

Published: June 4, 2026, 2:16 p.m.
Last Modified: June 4, 2026, 3 p.m.

Status : Deferred

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

CVE-2019-25729