VULNERABILITY INTELLIGENCE

CVE-2021-34637

CVSS score8.8 HIGH

EPSS probability0.70%

CISA KEVNot currently listed

Published2021-08-02

Last modified2026-06-17

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

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.

Weakness classification

security@wordfence.com: CWE-352
nvd@nist.gov: CWE-352

Primary references

security@wordfence.com — Exploit, Third Party Advisory
security@wordfence.com — Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory