UnitedOver Digits Mobile Number Signup and Login Plugin up to 9.1.0.5 on WordPress Role Validation dig_update_wpwc_custom_fields digits_reg_userrole improper authorization

Summaryinfo

A vulnerability, which was classified as critical, has been found in UnitedOver Digits Mobile Number Signup and Login Plugin up to 9.1.0.5. The impacted element is the function dig_update_wpwc_custom_fields of the component Role Validation. Performing a manipulation of the argument digits_reg_userrole results in improper authorization. This vulnerability is known as CVE-2026-13741. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability classified as critical has been found in UnitedOver Digits Mobile Number Signup and Login Plugin up to 9.1.0.5. This affects the function dig_update_wpwc_custom_fields of the component Role Validation. The manipulation of the argument digits_reg_userrole with an unknown input leads to a improper authorization vulnerability. CWE is classifying the issue as CWE-285. The product does not perform or incorrectly performs an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

The Digits: WordPress Mobile Number Signup and Login plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 9.1.0.5. This is due to missing authorization and role validation in the `dig_update_wpwc_custom_fields()` function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to escalate their privileges to Administrator by submitting a forged `digits_reg_userrole` value during profile update, granted the site administrator has configured the built-in DIGITS User Role field.

The advisory is shared at wordfence.com. This vulnerability is uniquely identified as CVE-2026-13741 since 06/29/2026. The exploitability is told to be easy. It is possible to initiate the attack remotely. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/16/2026). MITRE ATT&CK project uses the attack technique T1548.002 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

Type

• WordPress Plugin

Vendor

• UnitedOver

Name

• Digits Mobile Number Signup and Login Plugin

Version

• 9.1.0.0
• 9.1.0.1
• 9.1.0.2
• 9.1.0.3
• 9.1.0.4
• 9.1.0.5

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CPE 2.2info

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