Stored Cross-Site Scripting Vulnerability in Smash Balloon Social Post Feed for WordPress
CVE-2026-16775

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
Smash Balloon Social Post Feed – Simple Social Feeds For WordPress
Vendor
CVE Published:
16 August 2026

What is CVE-2026-16775?

The Smash Balloon Social Post Feed plugin for WordPress contains a vulnerability that allows authenticated attackers with contributor-level access or higher to exploit insufficient input sanitization and output escaping. By manipulating the 'id' shortcode attribute, attackers can inject arbitrary web scripts into pages. These scripts execute whenever a user accesses the compromised page, potentially leading to unauthorized actions and data exposure.

Affected Version(s)

Smash Balloon Social Post Feed – Simple Social Feeds for WordPress 0 <= 4.9.0

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/custom-faceboo...
https://plugins.trac.wordpress.org/browser/custom-faceboo...

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Wordfence PRISM
.