Sensitive Information Exposure in PublishPress Gutenberg Blocks by Advanced Gutenberg
CVE-2026-121771

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
Gutenberg Blocks
Vendor
CVE Published:
13 November 2026

What is CVE-2026-121771?

The PublishPress Gutenberg Blocks, developed by Advanced Gutenberg, exhibits a vulnerability that allows for the insertion of sensitive information into sent data. This issue enables unauthorized retrieval of embedded sensitive data, potentially compromising user privacy. The vulnerability affects all versions of Gutenberg Blocks from unknown up to version 3.7.6, necessitating immediate attention to ensure data protection and mitigate risks for users.

Affected Version(s)

Gutenberg Blocks 0 <= 3.7.6

References

https://patchstack.com/database/wordpress/plugin/advanced...
vdb-entry

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Malvin Valerian Gultom | Patchstack Bug Bounty Program
.