CVE-2026-29204CRITICAL 9.1EPSS p23.4%

CVE-2026-29204CVE-2026-29204

Description

Insufficient ownership check in `clientarea.php` allows an authenticated client area user to submit requests using another user’s `addonId` without any ownership validation leading to unauthorized access to the victim's account.

Scoring

CVSS 3.19.1 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
EPSS0.32% probability of exploitation · percentile 23.4% · 2026-06-19T12:03:05Z
Published2026-05-12
Last modified2026-05-13

Underlying weaknesses· 1

CWE-639

References

  1. https://help.whmcs.com/m/125386/l/2073908-cve-2026-29204

1

TypeTargetConfidenceTier
WeaknessAuthorization Bypass Through User-Controlled Keycwe-6390%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.