CVE-2023-3371: EmbedPress <= 3.7.3 - Sensitive Information Exposure

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-06-27 · updated 2026-06-17
Weakness: CWE-321

Description

The EmbedPress plugin for WordPress is vulnerable to Sensitive Information Exposure due to hardcoded encryption key on the 'lock_content_form_handler' and 'display_password_form' function in versions up to, and including, 3.7.3. This makes it possible for unauthenticated attackers to decrypt and view the password protected content.

Affected products

wpdevteam EmbedPress – PDF Embedder, Embed YouTube Videos, 3D FlipBook, Social feeds, Docs & more: through 3.7.3

References

https://plugins.trac.wordpress.org/browser/embedpress/tags/3.7.3/EmbedPress/Includes/Classes/Helper.php#L231
https://plugins.trac.wordpress.org/browser/embedpress/tags/3.7.3/EmbedPress/Includes/Classes/Helper.php#L278
https://plugins.trac.wordpress.org/browser/embedpress/tags/3.7.3/Gutenberg/block-backend/block-embedpress.php#L30
https://plugins.trac.wordpress.org/changeset/2930523/embedpress#file10
https://plugins.trac.wordpress.org/changeset/2930523/embedpress#file28
https://www.wordfence.com/threat-intel/vulnerabilities/id/c1033b4d-82a0-4484-aebf-f35d6a2a9a13?source=cve
https://plugins.trac.wordpress.org/browser/embedpress/tags/3.7.3/EmbedPress/Includes/Classes/Helper.php#L231
https://plugins.trac.wordpress.org/browser/embedpress/tags/3.7.3/EmbedPress/Includes/Classes/Helper.php#L278
https://plugins.trac.wordpress.org/browser/embedpress/tags/3.7.3/Gutenberg/block-backend/block-embedpress.php#L30
https://plugins.trac.wordpress.org/changeset/2930523/embedpress#file10
https://plugins.trac.wordpress.org/changeset/2930523/embedpress#file28
https://www.wordfence.com/threat-intel/vulnerabilities/id/c1033b4d-82a0-4484-aebf-f35d6a2a9a13?source=cve

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