CVE-2026-66696: Gutenberg Blocks by Kadence Blocks (WordPress plugin) · Insertion of Sensitive Information Into Sent Data
Affects Gutenberg Blocks by Kadence Blocks (WordPress plugin)Source CVE Database V5
Not known to be exploited · CVSS 4.3 Medium.
Data as of 5 Nov 2026, 00:01 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 22% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NExploitation evidence
Disclosed: evidence found.
CVE published 6 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| NexcessGutenberg Blocks by Kadence Blocks | Affected
| Fixed in– |
AI-suggested
No specific mitigation steps are provided by the vendor at this time.
Description
CVE-2026-66696 is a medium severity vulnerability in Gutenberg Blocks by Kadence Blocks versions up to and including 3.7.8. It involves the insertion of sensitive information into sent data, classified under CWE-201. The vulnerability allows exposure of contributor sensitive data without requiring user interaction and with low attack complexity. No official patch or remediation guidance is currently available.