Published:2014/07/16  Last Updated:2014/07/16

Multifunctional MailForm Free vulnerable to cross-site scripting


Multifunctional MailForm Free provided by PHP Kobo contains a cross-site scripting vulnerability.

Products Affected

  • Multifunctional MailForm Free updated on 2014/1/28 and earlier


Multifunctional MailForm Free contains an issue in processing HTTP Referer headers, which may cause cross-site scripting.


By opening a specially crafted HTML document, an arbitrary sctipt may be executed.


Update the software
Update to the latest version according to the information provided by the developer.

Vendor Status

Vendor Link
PHP Kobo Multifunctional MailForm Free


JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

Analyzed on 2014.07.16 (CVSS Base Metrics)

What is CVSS?

Measures Severity Description
Access Vector(AV) Local (L) Adjacent Network (A) Network (N) A vulnerability exploitable with network access means the vulnerable software is bound to the network stack and the attacker does not require local network access or local access. Such a vulnerability is often termed "remotely exploitable".
Access Complexity(AC) High (H) Medium (M) Low (L) The access conditions are somewhat specialized.
Authentication(Au) Multiple (M) Single (S) None (N) Authentication is not required to exploit the vulnerability.
Confidentiality Impact(C) None (N) Partial (P) Complete (C) There is no impact to the confidentiality of the system.
Integrity Impact(I) None (N) Partial (P) Complete (C) Modification of some system files or information is possible, but the attacker does not have control over what can be modified, or the scope of what the attacker can affect is limited.
Availability Impact(A) None (N) Partial (P) Complete (C) There is no impact to the availability of the system.

Base Score:4.3


Other Information

JPCERT Reports
CERT Advisory
CPNI Advisory
CVE CVE-2014-3894
JVN iPedia JVNDB-2014-000079