Published:2021/09/28  Last Updated:2021/09/28

JVN#29428319
WordPress Plugin "OG Tags" vulnerable to cross-site request forgery

Overview

WordPress Plugin "OG Tags" contains a cross-site request forgery vulnerability.

Products Affected

  • OG Tags versions prior to 2.0.2

Description

WordPress Plugin "OG Tags" provided by Mário Valney contains a cross-site request forgery vulnerability (CWE-352).

Impact

If a user with an administrative privilege 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
Mário Valney OG Tags

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

Ryota Nakazato of Cryptography Laboratory, Department of Information and Communication Engineering, Tokyo Denki University reported and coordinated with the developer to fix this vulnerability.
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-2021-20831
JVN iPedia JVNDB-2021-000086