---
id: CVE-2023-47821
title: "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Jannis Thuemmig Email Encoder plugin <=\_2.1.8 versions."
summary: "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Jannis Thuemmig Email Encoder plugin <=\_2.1.8 versions."
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L'
cwe:
  - CWE-79
  - CWE-79
vendor: onlineoptimisation
product: email_encoder
affected:
  - email_encoder <= 2.1.8
published: '2023-11-22'
updated: '2026-07-22'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2023-47821'
references:
  - url: >-
      https://patchstack.com/database/vulnerability/email-encoder-bundle/wordpress-email-encoder-bundle-plugin-2-1-8-cross-site-scripting-xss-vulnerability?_s_id=cve
    label: audit@patchstack.com
  - url: >-
      https://patchstack.com/database/vulnerability/email-encoder-bundle/wordpress-email-encoder-bundle-plugin-2-1-8-cross-site-scripting-xss-vulnerability?_s_id=cve
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.00419
epssPercentile: 0.33614
ingestedAt: '2026-07-22T13:03:40.164Z'
---

## Overview

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Jannis Thuemmig Email Encoder plugin <= 2.1.8 versions.

## Affected

- `email_encoder <= 2.1.8`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.