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VulnerabilityPublished

CVE-2026-1830: Quick Playground (WordPress plugin) · Missing Authorization

Affects Quick Playground (WordPress plugin)Source CVE Database V5

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Public exploit available (Exploit-DB) · CVSS 9.8 Critical.

Data as of 30 Oct 2026, 11:52 UTC

CVSS 3.1 base score
9.8Critical
How severe the flaw is on the 0–10 CVSS scale.
EPSS
8.0% chance of exploitation in 30 days – higher than 94% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Exploitation evidence

t = 0 is the CVE’s publication on cve.org

  1. Disclosed: evidence found.

    CVE published 9 Apr 2026

  2. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  3. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

Timeline

  1. CVE ID reserved

    by Wordfence

    , 65 days before disclosure

  2. CVE published

    on cve.org

    , t = 0

  3. In Threat Radar

    record ingested

    , 55 minutes after disclosure

  4. First Exploit-DB entry (opens in a new tab)

    Quick Playground for WordPress 1.3.1 - Unauthenticated Remote Code Execution

    , 50 days after disclosure

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 30 Oct 2026.

What to do

Affected software

ProductAffectedFixed in
davidfcarrQuick PlaygroundAffected
  • <=1.3.1
Fixed in–

AI-suggested

Until a fix is released, consider disabling or removing the Quick Playground plugin to prevent exploitation.

Description

CVE-2026-1830 is a critical vulnerability in the Quick Playground WordPress plugin up to version 1.3.1. It involves missing authorization checks on REST API endpoints, allowing unauthenticated attackers to retrieve a sync code and upload arbitrary PHP files via path traversal. This can lead to remote code execution on the affected server. No official patch or remediation guidance is currently available from the vendor. There are no known exploits in the wild at this time.

References

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