VulnSocial

CVE-2026-8622PoC

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 Image Sizes on Demand plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via PHP_SELF Server Variable in all versions up to, and including, 1.3 due to insufficient input sanitization and output escaping. 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. The injected payload only executes in the context of an administrator, as the settings page requires the manage_options capability to render.

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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 · 2026-06-24: 1PoC Mentioned / Linked · 2026-06-24: 1Technical Details · 2026-06-24: 106-24
Signal classification1 categories
PoC
1100.0%
Referenced assets1 URL
Full discourse1 post
  • Atomic Edge@atomicedgeWAF
    PoC

    https://atomicedge.io/cve-proof/cve-2026-8622-image-sizes-on-demand-version-1-3-medium-vulnerability-proof-of-concept CVE-2026-8622 image-sizes-on-demand (CVSS Score 6.1) #WordPress plugin #vulnerability #cybersecurity #wordpressfirewall #wordpresssecurity #hacking #wpsecurity…

    Post summary

    The post links to a proof‑of‑concept for CVE-2026-8622, indicating a medium‑severity vulnerability (CVSS 6.1) in a WordPress plugin, without any mention of active exploitation or patch availability.

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    11 followersView on X

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