Stored Cross-Site Scripting Flaw in BrightTALK WordPress Shortcode Plugin
CVE-2025-11770

6.4MEDIUM

Key Information:

Vendor

WordPress
Status
Brighttalk WordPress Shortcode
Vendor
CVE Published:
21 November 2025

What is CVE-2025-11770?

The BrightTALK WordPress Shortcode plugin suffers from a severe vulnerability that allows authenticated attackers with contributor-level access and above to exploit the 'format' attribute within the brighttalk-time shortcode. Due to inadequate input sanitization and output escaping mechanisms, attackers can inject arbitrary web scripts into pages. These scripts execute when users visit affected pages, potentially compromising user data and site integrity.

Human OS v1.0:
Ageing Is an Unpatched Zero-Day Vulnerability.

Remediate biological technical debt. Prime Ageing uses 95% high-purity SIRT6 activation to maintain genomic integrity and bolster systemic resilience.

Deploy the Patch

Affected Version(s)

BrightTALK WordPress Shortcode * <= 2.4.0

References

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

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

Gilang Asra Bilhadi
JSON
.