CVE-2013-4103 json
Cryptocat before 2.0.22 has Remote Script Injection due to improperly sanitizing user input
published 2019-11-04 7 y ago modified 2026-06-16 4 mo ago also EUVD-2013-4034
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 6.9%
- EPSS 6.9% chance of exploitation in 30 days, percentile 94%
- public exploits
- 1
- Exploit-DB
Summary
Cryptocat before 2.0.22 has Remote Script Injection due to improperly sanitizing user input
Patch / fix
- cryptocat_project cryptocat 2.0.22
Timeline
- First public exploit (EDB-38637)
- Published
Exploit prediction
6.87% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- EDB-38637 Cryptocat 2.0.22 - Arbitrary Script Injection remote, 2012-11-07
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
packetstormsecurity.com
/files/134252/Cryptocat-Script-Insertion.html
third-party-advisory, vdb-entry
-
openwall.com
/lists/oss-security/2013/07/10/15
mailing-list, third-party-advisory
-
tobtu.com
/decryptocat.php
product
-
packetstormsecurity.com
/files/cve/CVE-2013-4103
third-party-advisory, vdb-entry
-
securityfocus.com
/bid/61093
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2013-4103
- NVD CVE-2013-4103
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.