VulnSocial

CVE-2026-6703General

LOWCVSS 4.3 · 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 Responsive Blocks – Page Builder for Blocks & Patterns plugin for WordPress is vulnerable to unauthorized access in all versions up to, and including, 2.2.1. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with contributor-level access and above, to modify global site-wide plugin configuration options, including toggling custom CSS, disabling blocks, changing layout defaults such as content width, container padding, and container gap, and altering auto-block-recovery behavior.

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1.5/ 10 priority

Sources & remediation

Other references
Weakness type (CWE)
CWE-862

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

STABLE

Threat summary

  • Public PoC is present in monitored signal
  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • PoC mentioned or linked in 1 signal
  • General: 1 classified signal
  • Peaked 1d ago at 1 mentions (2026-04-21); latest day: 1
  • 2 total mentions across 2 days

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-04-21: 1Mentions · 2026-04-25: 1PoC Mentioned / Linked · 2026-04-25: 104-2104-25
Signal classification2 categories
General
150.0%
PoC
150.0%
Referenced assets2 URLs
Classification over time
DateTotalLabels
2026-04-211
General1
2026-04-251
PoC1
Full discourse2 posts
  • Atomic Edge@atomicedgeWAF
    PoC

    https://atomicedge.io/cve-proof/cve-2026-6703-responsive-block-editor-addons-version-2-2-1-medium-vulnerability-proof-of-concept CVE-2026-6703 #WordPress plugin #vulnerability responsive-block-editor-addons #cybersecurity #wordpressfirewall #wordpresssecurity #hacking #wpsecur…

    Post summary

    The tweet links to a proof‑of‑concept page for CVE‑2026‑6703 affecting the WordPress Responsive Block Editor Addons plugin, but it provides no further technical, exploitation, or patch details.

    0000047
    6 followersView on X
  • CVE@CVEnew
    General

    CVE-2026-6703 The Responsive Blocks – Page Builder for Blocks & Patterns plugin for WordPress is vulnerable to unauthorized access in all versions up to, and including, 2.2.1. This i… https://www.cve.org/CVERecord?id=CVE-2026-6703

    Post summary

    The text notes that CVE-2026-6703 allows unauthorized access in a WordPress plugin but provides no further technical, exploit, or mitigation details.

    0000053
    57.2K followersView on X

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