VulnSocial

CVE-2026-10833PoC

LOWCVSS 6.4 · MEDIUM

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

  • Hunt for exploitation attempts and persistence artifacts
  • Increase monitoring for publicly documented tradecraft
  • Track advisory updates for patch or workaround availability

Recommended action window: High priority (within 72h)

NVD description

The Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'configurablePrefix' Block Attribute in all versions up to, and including, 6.1.4 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

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1.5/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-79

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

NONE

Threat summary

  • Public PoC is present in monitored signal
  • 1 mentions across 1 observed day

What's happening

  • PoC mentioned or linked in 1 signal
  • Technical details provided in 1 signal
  • 1 total mentions across 1 day

Deep dive

Activity timeline1 mentions / 1d
00111Mentions · 2026-06-25: 1PoC Mentioned / Linked · 2026-06-25: 1Technical Details · 2026-06-25: 106-25
Signal classification1 categories
PoC
1100.0%
Referenced assets1 URL
Full discourse1 post
  • Atomic Edge@atomicedgeWAF
    PoC

    https://atomicedge.io/cve-proof/cve-2026-10833-essential-blocks-version-6-1-4-medium-vulnerability-proof-of-concept CVE-2026-10833 essential-blocks (CVSS Score 6.4) #WordPress plugin #vulnerability #cybersecurity #wordpressfirewall #wordpresssecurity #hacking #wpsecurity #atom…

    Post summary

    The tweet announces CVE‑2026‑10833 for the WordPress essential-blocks plugin, links to a proof‑of‑concept page, and provides the CVSS score, but offers no active exploitation or patch information.

    0000043
    11 followersView on X

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