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  4. CVE 2026 18031 tabapay gateway 140 unauthenticated account
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Back to active CVEs
Critical · CVSS 9.8CVE-2026-18031

TabaPay Gateway <= 1.4.0 - Unauthenticated Account Takeover via Payment Callback

Answer in brief

CVE-2026-18031 records a Critical severity (CVSS 9.8) vulnerability in TabaPay Gateway <= 1.4.0 - Unauthenticated Account Takeover via Payment Callback. The current sources do not mark it as known exploited. The current feed maps Unknown/TabaPay Gateway (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 19, 2026Updated Aug 26, 2026Source checked Oct 3, 2026First seen by HOL Aug 19, 2026Material review Aug 26, 2026
Upstream Advisory

Key facts

Risk
Critical · CVSS 9.8
Exploitation
Not marked as known exploited
Affected software
1 mapped package or product
Fix availability
Not reported

Why this deserves its current priority

CVSS is 9.8. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Unknown/TabaPay Gateway (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Unknown/TabaPay Gatewaygeneric0Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Unknown/TabaPay Gateway.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Aug 19, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Aug 26, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Aug 19, 2026

Sources and claim methodology

  • Source referencewpscan.com
Upstream source description

The TabaPay Gateway WordPress plugin through 1.4.0 does not validate the payment callback before establishing a session for the account associated with the referenced order, allowing unauthenticated attackers to log in as any registered user, including an administrator.

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • WP 2FA < 4.1.0 - Two-Factor Authentication Bypass via TOTP Code ReplayAlso CWE-287
  • MLS X.509 credential not bound to the LeafNode signature keyAlso CWE-287
  • TillKit < 1.0.5 - Unauthenticated POS Takeover via Hard-Coded Default Manager PINAlso CWE-287
  • Burst Statistics <= 3.7.1 - Improper Authentication to Account Persistence via Share-Link Authentication Bypass via 'burst_share_token'Also CWE-287
  • WP Ultimate Review <= 2.4.3 - Unauthenticated Arbitrary Shortcode Execution via 'xs_reviw_summery' Parameter (Split-Shortcode / Late-Registered Shortcode)Same generic ecosystem
  • WP Ultimate Review < 2.4.4 - Author+ Stored XSS via Review Overview SettingsSame generic ecosystem

Record context

Vulnerability class
Missing Auth
EPSS
Not reported
CWE IDs
CWE-287
Source
CVE List V5
Source checked
Oct 3, 2026
References
1 linked source
Open source record