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CVE-2021-20851: WordPress Plugin "Browser and Operating System Finder" vulnerable to cross-site request forgery

Cross-site request forgery (CSRF) vulnerability in Browser and Operating System Finder versions prior to 1.2 allows a remote unauthenticated attacker to hijack the authentication of an administrator via unspecified vectors.

CVE
#csrf#vulnerability

Published:2021/11/25 Last Updated:2021/11/25

Overview

WordPress Plugin “Browser and Operating System Finder” contains a cross-site request forgery vulnerability.

Products Affected

  • Browser and Operating System Finder versions prior to 1.2

Description

WordPress Plugin “Browser and Operating System Finder” provided by Aftab Muni 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

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

Attack Vector(AV)

Physical §

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 ®

None (N)

Scope(S)

Unchanged (U)

Changed ©

Confidentiality Impact©

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

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©

None (N)

Partial §

Complete ©

Integrity Impact(I)

None (N)

Partial §

Complete ©

Availability Impact(A)

None (N)

Partial §

Complete ©

Credit

imai shinpei 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.

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