CVE-2021-43353

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.

CVSS v3 8.8 HIGH
CVSS v2.0 6.8 MEDIUM

8.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2643954%40crisp&new=2643954%40crisp&sfp_email=&sfph_mail=	Issue Tracking Patch Third Party Advisory
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=	Issue Tracking Patch Third Party Advisory
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-43353	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:crisp:crisp:*:*:*:*:*:wordpress:*:*

History

14 Feb 2025, 16:07

Type	Values Removed	Values Added
CPE	cpe:2.3:a:crisp:live_chat::::::wordpress::*	cpe:2.3:a:crisp:crisp::::::wordpress::*
First Time		Crisp crisp

Information

Published : 2022-01-18 17:15

Updated : 2025-02-14 16:07

NVD link : CVE-2021-43353

Mitre link : CVE-2021-43353

CVE.ORG link : CVE-2021-43353

JSON object : View

Products Affected

crisp

crisp

CWE

CWE-352

Cross-Site Request Forgery (CSRF)

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