CVE-2012-3840 json
Multiple cross-site scripting (XSS) vulnerabilities in index.php/users/form/user_id in MyClientBase 0.12 allow remote attackers to inject a…
published 2012-07-03 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-3787
- cvss
- 4.3
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 76%
- public exploits
- 1
- Exploit-DB
Summary
Multiple cross-site scripting (XSS) vulnerabilities in index.php/users/form/user_id in MyClientBase 0.12 allow remote attackers to inject arbitrary web script or HTML via the (1) first_name or (2) last_name parameters.
Timeline
- First public exploit (EDB-18814)
- Published
Exploit prediction
1.61% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- EDB-18814 MyClientBase 0.12 - Multiple Vulnerabilities webapps, 2012-05-01
- securityfocus.com http://www.securityfocus.com/bid/53311 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
exploit-db.com
/exploits/18814
exploit
-
securityfocus.com
/bid/53311
vdb-entry, exploit
-
secunia.com
/advisories/48961
third-party-advisory, vendor-advisory
-
exchange.xforce.ibmcloud.com
/vulnerabilities/75299
vdb-entry
Sources
- CVE List CVE-2012-3840
- NVD CVE-2012-3840
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.