CVE-2021-34637

high

Description

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.

References

https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34637

https://plugins.trac.wordpress.org/browser/post-index/trunk/php/settings.php#L86

Details

Source: Mitre, NVD

Published: 2021-08-02

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.8

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

Severity: High

EPSS

EPSS: 0.00109