CVE-2021-24134

Public Exploit
Constant Contact Forms < 1.8.8 - Multiple Authenticated Stored XSS

Description

Unvalidated input and lack of output encoding in the Constant Contact Forms WordPress plugin, versions before 1.8.8, lead to multiple Stored Cross-Site Scripting vulnerabilities, which allowed high-privileged user (Editor+) to inject arbitrary JavaScript code or HTML in posts where the malicious form is embed.

Category

4.8
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.19%
Third-Party Advisory wpscan.com
Affected: Unknown Constant Contact Forms
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2021-24134?
CVE-2021-24134 has been scored as a medium severity vulnerability.
How to fix CVE-2021-24134?
To fix CVE-2021-24134, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-24134 being actively exploited in the wild?
It is possible that CVE-2021-24134 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-2021-24134?
CVE-2021-24134 affects Unknown Constant Contact Forms.
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.
© 2025 Under My Watch. All Rights Reserved.