CVE-2021-24159

CVSS V2 Medium 6.8 CVSS V3 High 8.8
Description
Due to the lack of sanitization and lack of nonce protection on the custom CSS feature, an attacker could craft a request to inject malicious JavaScript on a site using the Contact Form 7 Style WordPress plugin through 3.1.9. If an attacker successfully tricked a site’s administrator into clicking a link or attachment, then the request could be sent and the CSS settings would be successfully updated to include malicious JavaScript.
Overview
  • CVE ID
  • CVE-2021-24159
  • Assigner
  • contact@wpscan.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-04-05T19:15:15
  • Last Modified Date
  • 2021-04-20T17:55:32
Weakness Enumerations
CWE URL
CWE-352 http://cwe.mitre.org/data/definitions/352.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:rocklobster:contact_form_7:*:*:*:*:*:wordpress:*:* 1 OR 3.1.9
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
https://wpscan.com/vulnerability/363182f1-9fda-4363-8f6a-be37c4c07aa9 Third Party Advisory
https://www.wordfence.com/blog/2021/02/unpatched-vulnerability-50000-wp-sites-must-find-alternative-for-contact-form-7-style/ Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-24159
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24159
History
Created Old Value New Value Data Type Notes
2022-05-10 07:15:11 Added to TrackCVE
2022-12-06 01:07:12 2021-04-05T19:15Z 2021-04-05T19:15:15 CVE Published Date updated
2022-12-06 01:07:12 2021-04-20T17:55:32 CVE Modified Date updated
2022-12-06 01:07:12 Analyzed Vulnerability Status updated