CVE-2021-43353

HIGH 8.8CVE-2021-43353 · Published 18/01/2022 · updated 17/06/2026

In short

CVE-2021-43353 is a HIGH (CVSS 8.8) vulnerability affecting crisp (crisp).
Chance of exploitation in the next 30 days (EPSS): 0.61%, higher than 49.3% of all vulnerabilities.
Fix: update to 0.32 or later.

Package	Affected versions	Patched versions
crisp crisp	`< 0.32`	`0.32`

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.

References

plugins.trac.wordpress.org/changeset · Issue Tracking
wordfence.com/vulnerability-advisories · Third Party Advisory

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