CVE-2026-103354WordPress Gutenberg Blocks by Kadence Blocks plugin <= 3.7.11.1 - Cross Site Scripting (XSS) vulnerability
Updated under an hour ago ()
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It affects Liquid Web / StellarWP Gutenberg Blocks by Kadence Blocks. Add what you run to find out whether that includes you.
EPSS puts the chance of exploitation in the next 30 days at 0.15%, higher than 3% of scored CVEs.
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Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Liquid Web / StellarWP Gutenberg Blocks by Kadence Blocks kadence-blocks allows Stored XSS.This issue affects Gutenberg Blocks by Kadence Blocks: from n/a through 3.7.11.1.
- CVSS
- 7.1 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
- Weakness (CWE)
- CWE-79
- Known exploited
- Not in CISA's KEV catalog
- EPSS (exploitation in the next 30 days)
- 0.15% (percentile 3)
- Assigned by
- Patchstack
- NVD analysis
- Deferred
- Record last updated
- Oct 5, 2026
- First seen by InfoSec Signals
- Oct 9, 2026
Affected products
Liquid Web / StellarWP Gutenberg Blocks by Kadence Blocks liquid_web_stellarwp:gutenberg_blocks_by_kadence_blocks (from the name) | through 3.7.11.1; fixed at 3.7.12 | CNA record |
References
- https://patchstack.com/database/wordpress/plugin/kadence-blocks/vulnerability/wordpress-gutenberg-blocks-by-kadence-blocks-plugin-3-7-11-1-cross-site-scripting-xss-vulnerability?_s_id=cvevdb-entry
The CVE record on cve.org NVD's entry
The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.