CVE-2026-18062 is a stored cross-site scripting vulnerability in the Kadence Blocks — Page Builder Toolkit for Gutenberg Editor plugin for WordPress affecting all versions through 3.7.8.1. The flaw is caused by insufficient input sanitization and output escaping in Identity Block inner image content. The vulnerable code path is reached in the build_html() logic only when the block's urlTransparent attribute is set to a non-empty value. An authenticated attacker with contributor-level privileges or higher can inject arbitrary script-bearing content into a page, resulting in persistent client-side code execution when other users view the affected page.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
7 sources tracked across advisories and community write-ups. News coverage will land here when it surfaces.
No news coverage yet. Advisories and community discussion only.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.