Stored Cross-Site Scripting Vulnerability in MIR Blocks and Shortcodes Plugin for WordPress
CVE-2026-8896

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
Mir Blocks And Shortcodes
Vendor
CVE Published:
24 June 2026

What is CVE-2026-8896?

The MIR Blocks and Shortcodes plugin for WordPress is susceptible to a stored XSS vulnerability due to inadequate input sanitization and output escaping of user-supplied attributes in shortcodes. Attackers with contributor-level access can exploit this flaw, allowing them to inject arbitrary web scripts, which will execute when users access affected pages. This vulnerability affects versions up to and including 1.0.0, necessitating immediate attention for users to safeguard against potential exploitation.

Affected Version(s)

MIR blocks and shortcodes 0 <= 1.0.0

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/mir-blocks-and...
https://plugins.trac.wordpress.org/browser/mir-blocks-and...

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

zakaria
.