Post Index <= 0.7.5 Cross-Site Request Forgery to Stored Cross-Site Scripting

2021-07-26 00:00

Kentaro Kuroki, Cryptography Laboratory in Tokyo Denki University

Strategic Overview

Status

Unpatched

Affected PluginPost Index

Affected Version<= 0.7.5

CVSS8.8High

CVECVE-2021-34637

View all Post Index vulnerabilities

Vulnerability Overview

The Post Index WordPress plugin is vulnerable to Cross-Site Request Forgery via the OptionsPage function found in the ~/php/settings.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 0.7.5.

Technical Analysis

REMEDIATION: No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement. --- IDENTIFIER: CWE-352 (Cross-Site Request Forgery (CSRF)) The web application does not, or cannot, sufficiently verify whether a request was intentionally provided by the user who sent the request, which could have originated from an unauthorized actor.

External References

https://www.cve.org/CVERecord?id=CVE-2021-34637 https://www.wordfence.com/threat-intel/vulnerabilities/id/507d308e-7df7-4bcb-b63c-f438b482c36b

CVSS Vector

8.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionRequired
ScopeUnchanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh

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