VulnSocial

CVE-2026-5226Disclosure

LOWCVSS 6.1 · 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 Optimole – Optimize Images in Real Time plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via URL paths in versions up to, and including, 4.2.3 This is due to insufficient output escaping on user-supplied URL paths in the get_current_url() function, which are inserted into JavaScript code via str_replace() without proper JavaScript context escaping in the replace_content() function. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

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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

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
  • Technical details provided in 1 signal
  • Disclosure: 1 classified signal
  • Peaked 1d ago at 1 mentions (2026-04-11); latest day: 1
  • 2 total mentions across 2 days

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-04-11: 1Mentions · 2026-04-19: 1PoC Mentioned / Linked · 2026-04-19: 1Technical Details · 2026-04-11: 104-1104-19
Signal classification2 categories
Disclosure
150.0%
PoC
150.0%
Referenced assets2 URLs
Classification over time
DateTotalLabels
2026-04-111
Disclosure1
2026-04-191
PoC1
Full discourse2 posts
  • Atomic Edge@atomicedgeWAF
    PoC

    https://atomicedge.io/cve-proof/cve-2026-5226-optimole-wp-version-4-2-3-medium-vulnerability-proof-of-concept CVE-2026-5226 #WordPress plugin #vulnerability optimole-wp #cybersecurity #wordpressfirewall #wordpresssecurity #hacking #wpsecurity #atomicedge

    Post summary

    The post links to a proof‑of‑concept for CVE‑2026‑5226 targeting the Optimole WP plugin version 4.2.3, but does not mention active exploitation, a patch, or detailed technical data.

    0000074
    6 followersView on X
  • CVE@CVEnew
    Disclosure

    CVE-2026-5226 The Optimole – Optimize Images in Real Time plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via URL paths in versions up to, and including, 4.2.3 T… https://www.cve.org/CVERecord?id=CVE-2026-5226

    Post summary

    The text announces a CVE for a reflected XSS flaw in the Optimole WordPress plugin, providing basic technical details but no exploitation or mitigation information.

    00000129
    57.1K followersView on X

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