CVE-2024-8628

MEDIUM

MailOptin < 1.2.70.3 - Authenticated Stored Cross-Site Scripting via Post-Meta Shortcode

Title source: llm

Description

The Popup, Optin Form & Email Newsletters for Mailchimp, HubSpot, AWeber – MailOptin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'post-meta' shortcode in all versions up to, and including, 1.2.70.3 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

References (2)

Core 2

Core References

Patch

https://plugins.trac.wordpress.org/changeset/3152552/mailoptin/trunk/src/core/src/EmailCampaigns/Shortcodes.php

Third Party Advisory

https://www.wordfence.com/threat-intel/vulnerabilities/id/4d64253b-5803-470d-81ba-d5629406b019?source=cve

Scores

CVSS v3 5.4

EPSS 0.0026

EPSS Percentile 17.9%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (2)

mailoptin/mailoptin < 1.2.70.4

properfraction/MailOptin – Popup, Optin Forms & Email Newsletters for Mailchimp, HubSpot, AWeber Etc. < 1.2.70.3

Published Sep 24, 2024

Tracked Since Feb 18, 2026