What is CVE-2026-5305?

CVE-2026-5305 is a high-severity vulnerability in Email Address Encoder, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 8.8/10. Published 2026-06-25.

How severe is CVE-2026-5305?

High severity. CVSS v3 base score is 8.8 out of 10.

Vulnerability in Email Address Encoder

CVE-2026-5305

The Email Address Encoder WordPress plugin before 1.0.25, email-encoder-premium WordPress plugin before 0.3.12 does not properly handle email replacement, which could allow unauthenticated users to perform Stored XSS attacks

Published 2026-06-25 · last modified 2026-06-25.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (41.2th percentile), scored 2026-10-08.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 41st percentile — 41.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Email Address Encoder — versions 0
Email-Encoder-Premium — versions 0

References

wpscan.com/vulnerability/bf59610b-98ba-4c05-b2fc-85c163e9a389/ (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-5305?: CVE-2026-5305 is a high-severity vulnerability in Email Address Encoder, classified under CWE-79 CROSS-SITE SCRIPTING (XSS). CVSS score: 8.8/10. Published 2026-06-25.
How severe is CVE-2026-5305?: High severity. CVSS v3 base score is 8.8 out of 10.