CVE-2026-12492Network attack vector

Unauthenticated account takeover via public auto-login handler

Published Jul 16, 2026 · Updated Jul 16, 2026

Authentication bypass in Happy Coders OTP Login for WooCommerce before 2.8 allows remote attackers to take over WordPress accounts. The public hcotp_auto_login_user AJAX handler accepts a supplied user_login identifier and establishes an authenticated session without confirming that any OTP verification handler succeeded. Anonymous visitors can obtain its nonce from front-end pages; a matching identifier yields that user's privileges, including Administrator access, while an unknown identifier creates a new account.

CVSS severity9.8
Critical
EPSS probability0.50%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Authentication bypass in Happy Coders OTP Login for WooCommerce before 2.8 allows remote attackers to take over WordPress accounts. The public hcotp_auto_login_user AJAX handler accepts a supplied user_login identifier and establishes an authenticated session without confirming that any OTP verification handler succeeded. Anonymous visitors can obtain its nonce from front-end pages; a matching identifier yields that user's privileges, including Administrator access, while an unknown identifier creates a new account.

The record

CVE
CVE-2026-12492
Published
Jul 16, 2026
Updated
Jul 16, 2026
Vendor
Happycoders Private Limited
Product
Happy Coders OTP Login for WooCommerce
Classifications
CWE-287, T1078
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jul 16, 2026CVE publishedPublication date reported by the CVE source.
  2. Jul 16, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=1.5 <2.8

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Happycoders Private Limited · Happy Coders OTP Login for WooCommerceversion=1.5 <2.8

Published CVSS scores

9.8CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-287Improper Authentication
T1078Valid Accounts

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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