CVE-2021-38332

Public Exploit

On Page SEO + Whatsapp Chat Button <= 1.0.1 Reflected Cross-Site Scripting

Description

The On Page SEO + Whatsapp Chat Button Plugin WordPress plugin is vulnerable to Reflected Cross-Site Scripting due to a reflected $_SERVER["PHP_SELF"] value in the ~/settings.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.0.1.

Remediation

Solution:

Uninstall plugin from WordPress site.

References

Link	Tags
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-38332	third party advisory
https://plugins.trac.wordpress.org/browser/ops-robots-txt/tags/1.0.0/settings.php#L175	third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2021-38332?: CVE-2021-38332 has been scored as a medium severity vulnerability.
How to fix CVE-2021-38332?: To fix CVE-2021-38332: Uninstall plugin from WordPress site.
Is CVE-2021-38332 being actively exploited in the wild?: It is possible that CVE-2021-38332 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-2021-38332?: CVE-2021-38332 affects On Page SEO + Whatsapp Chat Button On Page SEO + Whatsapp Chat Button.

This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.

Description

Remediation

Category

CWE-79 – Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

References

Frequently Asked Questions