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CVE-2026-121771

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

Severity
Medium 5.3
Published
13 Nov 2026
Last changed
13 Nov 2026
Added to UpHeron
13 Nov 2026
Weakness
Information exposure through sent data (CWE-201)
Attack
Over the network · No login needed · No user action needed
Attacker can
Read some data
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Sources
CVE Program

Description

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.

From the CVE Program.

Affected software

SoftwareAffected versions
Advanced Gutenberg (WordPress plugin)WordPress plugins · wp-plugin:advanced-gutenberg
  • Every version up to 3.7.6

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-121771