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CVE-2024-8628

MEDIUM 5.4 CVSS 3.1
Published
September 24, 2024
Last modified
June 17, 2026
NVD status
Analyzed
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Description

The Popup, Optin Form & Email Newsletters for Mailchimp, HubSpot, AWeber – MailOptin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'post-meta' shortcode in all versions up to, and including, 1.2.70.3 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected WordPress components

  • MailOptin – Popup, Optin Forms & Email Newsletters for Mailchimp, HubSpot, AWeber Etc. Plugin · mailoptin
    Confirmed match Active
    Up to and including 1.2.70.3; Before 1.2.70.4
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • properfraction MailOptin – Popup, Optin Forms & Email Newsletters for Mailchimp, HubSpot, AWeber Etc. — Up to and including 1.2.70.3
  • mailoptin mailoptin — Before 1.2.70.4

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3152552/mailoptin/trunk/src/core/src/EmailCampaigns/Shortcodes.php Patch
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/4d64253b-5803-470d-81ba-d5629406b019?source=cve Third Party Advisory
  • nvd.nist.gov Official NVD record