CVE-2021-34637
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.70%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.70% probability · 51th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-352
- Affected
- post index project/post index
- Source
- security@wordfence.com
References
- https://plugins.trac.wordpress.org/browser/post-index/trunk/php/settings.php#L86Exploit, Third Party Advisory
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34637Third Party Advisory
- https://plugins.trac.wordpress.org/browser/post-index/trunk/php/settings.php#L86Exploit, Third Party Advisory
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34637Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.