Published:2019/06/24  Last Updated:2019/06/24

JVN#29933378
WordPress Plugin "Custom CSS Pro" vulnerable to cross-site request forgery

Overview

WordPress Plugin "Custom CSS Pro" contains a cross-site request forgery vulnerability.

Products Affected

  • Custom CSS Pro 1.0.3 and earlier

Description

WordPress Plugin "Custom CSS Pro" provided by WaspThemes contains a cross-site request forgery vulnerability (CWE-352).

Impact

If a user views a malicious page while logged in, unintended operations may be performed.

Solution

Update the plugin
Update the plugin according to the information provided by the developer.

Vendor Status

Vendor Link
WaspThemes Custom CSS Pro

References

JPCERT/CC Addendum

Vulnerability Analysis by JPCERT/CC

CVSS v3 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Base Score: 4.3
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:H/Au:N/C:N/I:P/A:N
Base Score: 2.6
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

Dai Nakamura of Cryptography Laboratory,Department of Information and Communication Engineering,Tokyo Denki University directly reported this vulnerability to the developer and coordinated on his own.
After coordination was completed, this case was reported to IPA, and JPCERT/CC coordinated with the developer for the publication under Information Security Early Warning Partnership.

Other Information

JPCERT Alert
JPCERT Reports
CERT Advisory
CPNI Advisory
TRnotes
CVE CVE-2019-5984
JVN iPedia JVNDB-2019-000042