CVE-2023-4283

EmbedPress <= 3.8.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode

Published Aug 10, 2023 CVSS 3.1 · 6.4 Medium EPSS < 1% KEV · Not listed
Description
The EmbedPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'embedpress_calendar' shortcode in versions up to, and including, 3.8.2 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2023-54154 The EmbedPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'embedpress_calendar' shortcode in versions up to, and including, 3.8.2 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
History
Type Values Removed Values Added
Title EmbedPress <= 3.8.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
Weaknesses CWE-79
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Wordfence
Published
Updated
Apr 8, 2026, 5:16 PM
Reserved
Aug 9, 2023, 10:09 PM
Status
Modified
Published
Aug 10, 2023, 12:15 PM
Modified
Jun 17, 2026, 6:37 AM