CVE-2026-16775

Smash Balloon Social Post Feed <= 4.9.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'id' Shortcode Attribute

Published Aug 16, 2026 CVSS 3.1 · 6.4 Medium EPSS < 1% KEV · Not listed
Description
The Smash Balloon Social Post Feed – Simple Social Feeds for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'id' Shortcode Attribute in all versions up to, and including, 4.9.0 due to insufficient input sanitization and output escaping. 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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

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

Type Values Removed Values Added
First Time appeared Smub
Smub smash Balloon Social Post Feed – Simple Social Feeds For Wordpress
Wordpress
Wordpress wordpress
Vendors & Products Smub
Smub smash Balloon Social Post Feed – Simple Social Feeds For Wordpress
Wordpress
Wordpress wordpress
Type Values Removed Values Added
Description The Smash Balloon Social Post Feed – Simple Social Feeds for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'id' Shortcode Attribute in all versions up to, and including, 4.9.0 due to insufficient input sanitization and output escaping. 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.
Title Smash Balloon Social Post Feed <= 4.9.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'id' Shortcode Attribute
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Wordfence
Published
Updated
Aug 17, 2026, 5:10 PM
Reserved
Jul 23, 2026, 5:10 PM
Status
Deferred
Published
Aug 16, 2026, 6:16 AM
Modified
Aug 20, 2026, 12:48 PM