CVE-2021-43353

Crisp Live Chat <= 0.31 Cross-Site Request Forgery to Stored Cross-Site Scripting

Description

The Crisp Live Chat WordPress plugin is vulnerable to Cross-Site Request Forgery due to missing nonce validation via the crisp_plugin_settings_page function found in the ~/crisp.php file, which made it possible for attackers to inject arbitrary web scripts in versions up to, and including 0.31.

Remediation

Solution:

  • Update to version 0.32 or newer.

Category

8.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.09%
Third-Party Advisory wordpress.org Third-Party Advisory wordfence.com
Affected: Crisp Live Chat Crisp Live Chat
Published at:
Updated at:

References

Link Tags
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-43353 third party advisory
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2643954%40crisp&new=2643954%40crisp&sfp_email=&sfph_mail= patch third party advisory issue tracking

Frequently Asked Questions

What is the severity of CVE-2021-43353?
CVE-2021-43353 has been scored as a high severity vulnerability.
How to fix CVE-2021-43353?
To fix CVE-2021-43353: Update to version 0.32 or newer.
Is CVE-2021-43353 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-43353 is being actively exploited. 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-2021-43353?
CVE-2021-43353 affects Crisp Live Chat Crisp Live Chat.
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