CVE-2021-34637

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

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.

Remediation

Solution:

  • Uninstall plugin from WordPress site.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.11%
Third-Party Advisory wordpress.org Third-Party Advisory wordfence.com
Affected: iTux Post Index
Published at:
Updated at:

References

Link Tags
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-34637 third party advisory
https://plugins.trac.wordpress.org/browser/post-index/trunk/php/settings.php#L86 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-34637?
CVE-2021-34637 has been scored as a high severity vulnerability.
How to fix CVE-2021-34637?
To fix CVE-2021-34637: Uninstall plugin from WordPress site.
Is CVE-2021-34637 being actively exploited in the wild?
It is possible that CVE-2021-34637 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-34637?
CVE-2021-34637 affects iTux Post Index.
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