Published:2021/06/11  Last Updated:2021/06/11

JVN#70566757
WordPress plugin "Welcart e-Commerce" vulnerable to cross-site scripting

Overview

WordPress plugin "Welcart e-Commerce" contains a cross-site scripting vulnerability.

Products Affected

  • Welcart e-Commerce versions prior to 2.2.4

Description

WordPress plugin "Welcart e-Commerce" provided by Collne Inc. contains a stored cross-site scripting vulnerability (CWE-79).

Impact

If a user views a malicious page while logged in to the affected system with the administrative privilege, an arbitrary script may be executed.

Solution

Update the plugin
Update the plugin according to the information provided by the developer.
The developer has released the following version that addresses the vulnerability.

  • Welcart e-Commerce 2.2.4

Vendor Status

Vendor Status Last Update Vendor Notes
Collne Inc. Vulnerable 2021/06/11

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

CVSS v3 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Base Score: 6.1
Attack Vector(AV) Physical (P) Local (L) Adjacent (A) Network (N)
Attack Complexity(AC) High (H) Low (L)
Privileges Required(PR) High (H) Low (L) None (N)
User Interaction(UI) Required (R) None (N)
Scope(S) Unchanged (U) Changed (C)
Confidentiality Impact(C) None (N) Low (L) High (H)
Integrity Impact(I) None (N) Low (L) High (H)
Availability Impact(A) None (N) Low (L) High (H)
CVSS v2 AV:N/AC:M/Au:N/C:N/I:P/A:N
Base Score: 4.3
Access Vector(AV) Local (L) Adjacent Network (A) Network (N)
Access Complexity(AC) High (H) Medium (M) Low (L)
Authentication(Au) Multiple (M) Single (S) None (N)
Confidentiality Impact(C) None (N) Partial (P) Complete (C)
Integrity Impact(I) None (N) Partial (P) Complete (C)
Availability Impact(A) None (N) Partial (P) Complete (C)

Credit

Yu Iwama of Secure Sky Technology Inc. reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2021-20734
JVN iPedia JVNDB-2021-000047