CVE-2026-121771

MEDIUM 5.3

WordPress Gutenberg Blocks plugin <= 3.7.6 - Sensitive Data Exposure vulnerability

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

Insertion of Sensitive Information Into Sent Data vulnerability in PublishPress Gutenberg Blocks advanced-gutenberg allows Retrieve Embedded Sensitive Data.This issue affects Gutenberg Blocks: from n/a through 3.7.6.

CWE	CWE-201
Vendor	publishpress
Product	gutenberg blocks
Published	Nov 13, 2026
Last Updated	Nov 13, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Affected Versions

PublishPress / Gutenberg Blocks

0 ≤ 3.7.6

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/wordpress/plugin/advanced-gutenberg/vulnerability/wordpress-gutenberg-blocks-plugin-3-7-6-sensitive-data-exposure-vulnerability?_s_id=cve

Credits

Malvin Valerian Gultom | Patchstack Bug Bounty Program