Vulnerability · Published Jan 18, 2022 · Assigned by Wordfence

CVE-2021-43353Crisp Live Chat <= 0.31 Cross-Site Request Forgery to Stored Cross-Site Scripting

High 8.8

In plain English

A high-severity cross-site request forgery in Crisp Live Chat from Crisp Live Chat. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities).

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.6%top 50.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Crisp Live Chat Crisp Live Chat 0.31 – through 0.31

Weakness: CWE-352 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References