What’s Vulnerable › Vulnerabilities

CVE-2013-4103

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2019-11-04 · updated 2026-06-16
• Weakness: CWE-20

Description

Cryptocat before 2.0.22 has Remote Script Injection due to improperly sanitizing user input

Affected products

• Cryptocat: before 2.0.22 — fixed in 2.0.22

How to fix

Upgrade to a fixed version: Cryptocat 2.0.22. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/134252/Cryptocat-Script-Insertion.html
• https://packetstormsecurity.com/files/cve/CVE-2013-4103
• https://tobtu.com/decryptocat.php
• https://www.openwall.com/lists/oss-security/2013/07/10/15
• https://www.securityfocus.com/bid/61093
• http://packetstormsecurity.com/files/134252/Cryptocat-Script-Insertion.html
• https://packetstormsecurity.com/files/cve/CVE-2013-4103
• https://tobtu.com/decryptocat.php
• https://www.openwall.com/lists/oss-security/2013/07/10/15
• https://www.securityfocus.com/bid/61093

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