CVE-2013-4103
Cryptocat before 2.0.22 has Remote Script Injection due to improperly sanitizing user input
Cryptocat before 2.0.22 has Remote Script Injection due to improperly sanitizing user input
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
9.8
Cryptocat before 2.0.22 has Remote Script Injection due to improperly sanitizing user input
- Record
CVE-2013-4103- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
Cryptocat before 2.0.22 has Remote Script Injection due to improperly sanitizing user input
- Record
CVE-2013-4103- Updated
- 2026-11-02
EUVDEUVD-2013-4034 No score
Cryptocat before 2.0.22 has Remote Script Injection due to improperly sanitizing user input
- Record
EUVD-2013-4034- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rc86-mhm5-qh6p No score
Cryptocat before 2.0.22 has Remote Script Injection due to improperly sanitizing user input
Cryptocat before 2.0.22 has Remote Script Injection due to improperly sanitizing user input
- Record
GHSA-rc86-mhm5-qh6p- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Cryptocat 2.0.22 - Arbitrary Script Injection | 2012-11-07 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2013-4103 is a critical vulnerability (CVSS 9.8) in Cryptocat Project Cryptocat, published November 4, 2019. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 6.87%, the 94th percentile. No source names a fixed version.