CVE-2021-24153

CVSS V2 Low 3.5 CVSS V3 Medium 5.4
Description
A Stored Cross-Site Scripting vulnerability was discovered in the Yoast SEO WordPress plugin before 3.4.1, which had built-in blacklist filters which were blacklisting Parenthesis as well as several functions such as alert but bypasses were found.
Overview
  • CVE ID
  • CVE-2021-24153
  • Assigner
  • contact@wpscan.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-04-05T19:15:14
  • Last Modified Date
  • 2021-04-09T19:36:44
Weakness Enumerations
CWE URL
CWE-79 http://cwe.mitre.org/data/definitions/79.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:yoast:yoast_seo:*:*:*:*:*:wordpress:*:* 1 OR 3.4.1
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:S/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 3.5
  • Severity
  • LOW
  • Exploitability Score
  • 6.8
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • REQUIRED
  • Scope
  • CHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 5.4
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.3
  • Impact Score
  • 2.7
References
Reference URL Reference Tags
https://wpscan.com/vulnerability/77810044-394d-4314-b9a1-20c7dca726dc Third Party Advisory
https://plugins.trac.wordpress.org/changeset/1466243/wordpress-seo Third Party Advisory
https://packetstormsecurity.com/files/138192/ Exploit Third Party Advisory VDB Entry
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-24153
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24153
History
Created Old Value New Value Data Type Notes
2022-05-10 07:16:15 Added to TrackCVE
2022-12-06 01:06:46 2021-04-05T19:15Z 2021-04-05T19:15:14 CVE Published Date updated
2022-12-06 01:06:46 2021-04-09T19:36:44 CVE Modified Date updated
2022-12-06 01:06:46 Analyzed Vulnerability Status updated