CVE-2012-3840
Multiple cross-site scripting (XSS) vulnerabilities in index.php/users/form/user_id in...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2012-3840- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2012-3840- Updated
- 2026-11-02
EUVDEUVD-2012-3787 No score
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.
- Record
EUVD-2012-3787- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-6j3w-mmjm-hjmc No score
Multiple cross-site scripting (XSS) vulnerabilities in index.php/users/form/user_id in...
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.
- Record
GHSA-6j3w-mmjm-hjmc- Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | MyClientBase 0.12 - Multiple Vulnerabilities | 2012-05-01 |
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-2012-3840 is a medium vulnerability (CVSS 4.3) in Myclientbase, published July 3, 2012. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.63%, the 76th percentile. No source names a fixed version.