EUVD-2026-68969
GHSA-28p5-rf4f-5qq9
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Network-reachable public endpoint; subscriber access sufficient; ~729k keyspace trivially exhausted offline; full admin takeover yields complete CIA impact.
Primary rating from Vendor (Wordfence).
CVSS VectorVendor: Wordfence
Lifecycle Timeline
2DescriptionCVE.org
The Support Genix - Helpdesk, AI Chatbot, Knowledge Base & Customer Support Ticketing System plugin for WordPress is vulnerable to Authentication Bypass leading to Administrator Account Takeover in all versions up to, and including, 1.4.52 via the guest_ticket_login() function and its p parameter. This is due to the site-wide AES-256-CBC encryption key being derived from only three two-digit wp_rand(10, 99) values and a Unix timestamp via md5() - yielding approximately 19.5 bits of entropy - combined with a deterministic IV derived from the password, no authentication tag on the ciphertext, and no capability check, nonce, or session validation on the publicly reachable /sgnix/?p=<token> endpoint. This makes it possible for authenticated attackers, with subscriber-level access and above, who can obtain a single legitimate guest ticket token as a known-plaintext oracle and bound the plugin activation timestamp, to exhaust the ~729,000-candidate keyspace entirely offline, recover the site-wide encryption key, and forge a self-consistent {ticket_id, ticket_user} token targeting any administrator-owned ticket. Submitting the forged token to the unprotected endpoint causes wp_set_auth_cookie() to be called for that administrator, granting the attacker full administrative access to the WordPress site.
AnalysisAI
Administrator account takeover in the Support Genix WordPress helpdesk plugin (all versions up to and including 1.4.52) is achievable by any subscriber-level user who can obtain a single guest ticket token, exploiting a catastrophically weak encryption key derivation that yields only ~19.5 bits of effective entropy. The guest_ticket_login() function at the publicly reachable /sgnix/?p=<token> endpoint lacks capability checks, nonce validation, and session controls, allowing an attacker to exhaustively recover the site-wide AES-256-CBC key offline across ~729,000 candidates and forge an admin-authentication token. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | The attacker must hold a subscriber-level (or higher) WordPress account on the target site - requiring either open user registration or a pre-existing credential. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The Wordfence-assigned CVSS 8.8 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) accurately reflects the severity: the attack is network-accessible, requires only subscriber-level access, involves no user interaction, and yields full CIA impact through admin takeover. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | A fix has been committed to the WordPress plugin repository (changeset 3668350 at https://plugins.trac.wordpress.org/changeset?reponame=&old=3668350%40support-genix-lite&new=3668350%40support-genix-lite); however, an exact patched release version number is not independently confirmed from available data - consult the Wordfence advisory and the WordPress plugin directory for the latest release before updating. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all WordPress deployments to identify instances running Support Genix plugin version 1.4.52 or earlier and assess business criticality. …
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External POC / Exploit Code
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