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

2022-01-1816:52:24

CWE-352

Wordfence

www.cve.org

8.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

8.8 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

41.9%

JSON

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.

CNA Affected

[
  {
    "product": "Crisp Live Chat",
    "vendor": "Crisp Live Chat",
    "versions": [
      {
        "lessThanOrEqual": "0.31",
        "status": "affected",
        "version": "0.31",
        "versionType": "custom"
      }
    ]
  }
]