Denial of Service Vulnerability in SpotPaltalk by Paltalk
CVE-2019-25559

6.8MEDIUM

Key Information:

Vendor

Nsauditor

Status
Spotpaltalk
Vendor
CVE Published:
21 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2019-25559?

SpotPaltalk 1.1.5 is vulnerable to a denial of service attack due to insufficient input validation in the registration code input field. An attacker can exploit this vulnerability by entering a string that exceeds the expected length, specifically by using a lengthy buffer of 1000 characters in the Name/Key field during the registration process. When the OK button is clicked, this action can lead to the application crashing, impacting the user experience significantly.

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Affected Version(s)

SpotPaltalk 1.1.5

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2019-25559 - Proof of Concept

References

https://www.exploit-db.com/exploits/46822
exploit
http://www.nsauditor.com
product
https://www.vulncheck.com/advisories/spotpaltalk-name-key...
third-party-advisory

CVSS V4

Score:
6.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Alejandra Sánchez
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