Digits Plugin 8.4.1 on WordPress OTP Validation excessive authentication

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
3.4	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in Digits Plugin on WordPress. Impacted is an unknown function of the component OTP Validation. Executing a manipulation can lead to excessive authentication. This vulnerability is registered as CVE-2025-4094. It is possible to launch the attack remotely. Furthermore, an exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability has been found in Digits Plugin on WordPress and classified as problematic. This vulnerability affects an unknown function of the component OTP Validation. The manipulation with an unknown input leads to a excessive authentication vulnerability. The CWE definition for the vulnerability is CWE-307. The product does not implement sufficient measures to prevent multiple failed authentication attempts within a short time frame, making it more susceptible to brute force attacks. As an impact it is known to affect confidentiality. CVE summarizes:

The DIGITS: WordPress Mobile Number Signup and Login WordPress plugin before 8.4.6.1 does not rate limit OTP validation attempts, making it straightforward for attackers to bruteforce them.

The weakness was published by Saleh Tarawneh. The advisory is shared for download at wpscan.com. This vulnerability was named CVE-2025-4094 since 04/29/2025. The exploitation appears to be difficult. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1110.001.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept.

Upgrading to version 8.4.6.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (52307). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

WordPress Plugin

Name

Digits Plugin

Version

8.4.1

CPE 2.3info

🔍

CPE 2.2info

🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 3.7
VulDB Meta Temp Score: 3.4

VulDB Base Score: 3.7
VulDB Temp Score: 3.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Excessive authentication
CWE: CWE-307 / CWE-799 / CWE-400
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Digits Plugin 8.4.6.1

Timelineinfo

04/29/2025 🔍
05/21/2025 +22 days 🔍
05/21/2025 +0 days 🔍
06/10/2025 +20 days 🔍

Sourcesinfo

Advisory: wpscan.com
Researcher: Saleh Tarawneh
Status: Confirmed

CVE: CVE-2025-4094 (🔍)
GCVE (CVE): GCVE-0-2025-4094
GCVE (VulDB): GCVE-100-309820
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 05/21/2025 08:23
Updated: 06/10/2025 09:18
Changes: 05/21/2025 08:23 (57), 06/01/2025 16:45 (11), 06/10/2025 09:18 (1)
Complete: 🔍
Cache ID: 216::103