CVE-2026-110135: OTP Login & Register Woocommerce authentication bypass via OTP brute force

CVE-2026-110135 · Severity: high · CVSS 7.4 · Published 2026-10-16

The OTP Login & Register Woocommerce WordPress plugin uses a client-side verification attempt limit for one-time passwords, allowing attackers to bypass the limit and brute-force the short numeric login code. An attacker without a password can use this weakness to take over any account on a site using the plugin.

Quick answers

Is CVE-2026-110135 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-110135 being exploited in the wild.
How severe is CVE-2026-110135?
High severity, with a CVSS score of 7.4, published 16 October 2026.
Which products and versions are affected?
OTP Login & Register Woocommerce before 2.7.3.
Is there a fix for CVE-2026-110135?
Yes: fixed in 2.7.3. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-110135 attacked?
It is attacked over the network, in a web application.
Am I affected by CVE-2026-110135?
Check whether you run OTP Login & Register Woocommerce at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Fixed in: 2.7.3

Technical details

The plugin tracks OTP verification attempt limits against a client-supplied value that can be freely modified, enabling an unauthenticated attacker to bypass rate limiting. By brute-forcing the short numeric code without attempt restrictions, an attacker can complete a full account takeover. The vulnerability affects versions before 2.7.3.

Affected products

  • OTP Login & Register Woocommerce before 2.7.3

Timeline

  • 2026-10-14: disclosed
  • 2026-10-16: advisory

References

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