CVE-2021-24556

CVSS V2 Medium 4.3 CVSS V3 Medium 6.1
Description
The kento_email_subscriber_ajax AJAX action of the Email Subscriber WordPress plugin through 1.1, does not properly sanitise, validate and escape the submitted subscribe_email and subscribe_name POST parameters, inserting them in the DB and then outputting them back in the Subscriber list (/wp-admin/edit.php?post_type=kes_campaign&page=kento_email_subscriber_list_settings), leading a Stored XSS issue.
Overview
  • CVE ID
  • CVE-2021-24556
  • Assigner
  • contact@wpscan.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-08-23T12:15:09
  • Last Modified Date
  • 2021-08-26T23:18:27
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:email-subscriber_project:email-subscriber:*:*:*:*:*:wordpress:*:* 1 OR 1.1
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:N/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 4.3
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • CHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 6.1
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 2.8
  • Impact Score
  • 2.7
References
Reference URL Reference Tags
https://codevigilant.com/disclosure/2021/wp-plugin-email-subscriber/ Exploit Third Party Advisory
https://wpscan.com/vulnerability/f050aedc-f79f-4b27-acac-0cdb33b25af8 Exploit Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-24556
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-24556
History
Created Old Value New Value Data Type Notes
2022-05-10 06:55:51 Added to TrackCVE
2022-12-05 08:43:16 2021-08-23T12:15Z 2021-08-23T12:15:09 CVE Published Date updated
2022-12-05 08:43:16 2021-08-26T23:18:27 CVE Modified Date updated
2022-12-05 08:43:16 Analyzed Vulnerability Status updated