Reported vulnerability
WordPress Email Marketing Plugin – WP Email Capture <= 3.10 - Missing Authorization to Email Capture List Download
Published 14 Mar 2023
Updated 22 Jan 2024
CVE-2023-28421
Compare your installed software with the affected versions below. Follow the source’s remediation guidance and test an available update after taking a backup. A database entry describes a reported issue; it does not establish whether a particular website has been compromised.
Does this affect my version?
Check your installed version against this advisory. This compares the report’s version ranges and does not scan your website.
Wordfence advisory
high · CVSS 8.2The WP Email Capture plugin for WordPress is vulnerable to unauthorized Email Capture list download due to a missing capability check on the wp_email_capture_options_process function in versions up to, and including, 3.10. This makes it possible for unauthenticated attackers to download email captures.
Severity vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Email Marketing Plugin – WP Email Capture
- Software
- plugin · wp-email-capture
- Affected versions
- Start version unspecified, through 3.10
- Fix availability
- Fix available
- Fixed versions
- 3.11
Recommended action
Update to version 3.11, or a newer patched version
Further references (1)
Data sources and licences
Copyright 2012-2026 Defiant Inc.
Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.
Read licence termsCopyright 1999-2026 The MITRE Corporation
CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.
Read licence termsSource: Wordfence
Wordfence advisory
medium · CVSS 5.3The WordPress Email Marketing Plugin – WP Email Capture plugin for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including, 3.10 via the wp_email_capture_options_process function hooked via admin_init. This makes it possible for unauthenticated attackers to extract sensitive data including user emails.
Severity vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Email Marketing Plugin – WP Email Capture
- Software
- plugin · wp-email-capture
- Affected versions
- Start version unspecified, through 3.10
- Fix availability
- Fix available
- Fixed versions
- 3.11
Recommended action
Update to version 3.11, or a newer patched version
Further references (1)
Data sources and licences
Copyright 2012-2026 Defiant Inc.
Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy.
Read licence termsCopyright 1999-2026 The MITRE Corporation
CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy.
Read licence termsSource: Wordfence
Need help fixing this issue?
Get help checking your site, applying an available update and resolving any problems after updating.
Get help with this issueQuestions about this vulnerability
Which versions of Email Marketing Plugin – WP Email Capture are affected?
Wordfence lists these affected versions: Start version unspecified, through 3.10. Use the version checker above to compare your installed release with this report. Wordfence lists these affected versions: Start version unspecified, through 3.10. Use the version checker above to compare your installed release with this report.
Is a fix available for Email Marketing Plugin – WP Email Capture?
Wordfence reports a fix for this issue in Email Marketing Plugin – WP Email Capture. It lists these fixed versions: 3.11. Back up your website and test the recommended update before applying it to your live site. Wordfence reports a fix for this issue in Email Marketing Plugin – WP Email Capture. It lists these fixed versions: 3.11. Back up your website and test the recommended update before applying it to your live site.
Where can I find my installed plugin version?
In WordPress, open Plugins > Installed Plugins and find the version shown beneath the plugin name.
Does an affected version mean my website has been hacked?
An affected version means the installed release matches a vulnerability described in this report. It does not show whether anyone has exploited it on your website. The checker compares version numbers with stored reports; it does not inspect your website.
Other reports for the same product
These reports cover at least one of the same plugins, themes or WordPress core. Check each report’s affected versions separately.
- Email Capture <= 3.12.5 - Cross-Site Request ForgeryUpdated 6 Jan 2026
- Email Capture <= 3.12.4 - Missing AuthorizationUpdated 12 Dec 2025
- WordPress Email Marketing Plugin – WP Email Capture <= 3.9.3 - Cross Site Request ForgeryUpdated 22 Jan 2024
- WP Email Capture <= 3.9.3 - Authenticated (Administrator+) Stored Cross-Site ScriptingUpdated 22 Jan 2024