PT-2026-33322 · WordPress · The Email Encoder – Protect Email Addresses/Phone Numbers

Athiwat Tiprasaharn · Published 2026-04-16 · Updated 2026-04-17 · CVE-2026-2840

Positive Technologies (AI Summary)

CVSS v3.1

6.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions The Email Encoder – Protect Email Addresses and Phone Numbers versions prior to 2.4.5

Description Insufficient input sanitization and output escaping in the 'eeb mailto' shortcode allow authenticated attackers with contributor level access and above to perform Stored Cross-Site Scripting. This enables the injection of arbitrary web scripts into pages, which execute when a user accesses the affected page.

Recommendations Update the plugin to a version later than 2.4.4.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-2840

Affected Products

The Email Encoder – Protect Email Addresses/Phone Numbers

References · 6

• https://nvd.nist.gov/vuln/detail/CVE-2026-2840 · Security Note
• https://twitter.com/CVEnew/status/2045102675994247643 · Twitter Post
• https://wordfence.com/threat-intel/vulnerabilities/id/9987b5b4-33d8-4446-acbe-58c6cb5604df?source=cve · Note
• https://plugins.trac.wordpress.org/changeset?old_path=/email-encoder-bundle/tags/2.4.4/src/Validate/Encoding.php&new_path=/email-encoder-bundle/tags/2.4.5/src/Validate/Encoding.php&old=3462208&new=3494181 · Note
• https://plugins.trac.wordpress.org/changeset?old_path=/email-encoder-bundle/tags/2.4.4/src/Front/Shortcodes/MailtoShortcode.php&new_path=/email-encoder-bundle/tags/2.4.5/src/Front/Shortcodes/MailtoShortcode.php&old=3462208&new=3494181 · Note
• https://twitter.com/infoflowcloud/status/2045105127682425132 · Twitter Post