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Vulnerability record · CVE-2023-38871 · published 28 September 2023

CVE-2023-38871: Economizzer observable discrepancy vulnerability

Economizzer · Economizzer

The commit 3730880 (April 2023) and v.0.9-beta1 of gugoan Economizzer has a user enumeration vulnerability in the login and forgot password functionalities. The app reacts differently when a user or email address is valid, and when it's not. This may allow an attacker to determine whether a user or email address is valid, or brute force valid usernames and email addresses.

5.3 CVSS 3.1 Medium EPSS 0.64% · top 51.6% CWE-203 · Observable discrepancy
5.3CVSS 3.1 base score
0.64%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

The commit 3730880 (April 2023) and v.0.9-beta1 of gugoan Economizzer has a user enumeration vulnerability in the login and forgot password functionalities. The app reacts differently when a user or email address is valid, and when it's not. This may allow an attacker to determine whether a user or email address is valid, or brute force valid usernames and email addresses.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/dub-flow/vulnerability-research/tree/main/CVE-2023-38871 ExploitThird Party Advisory
https://github.com/gugoan/economizzer Product
https://www.economizzer.org Product
https://github.com/dub-flow/vulnerability-research/tree/main/CVE-2023-38871 ExploitThird Party Advisory
https://github.com/gugoan/economizzer Product
https://www.economizzer.org Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-38870Economizzer sql injection vulnerabilityA SQL injection vulnerability exists in gugoan Economizzer commit 3730880 (April 2023) and v.0.9-beta1. The cash book has a feature to list accomplis…EPSS 0.83%8.8CVE-2023-38874Economizzer unrestricted file upload vulnerabilityA remote code execution (RCE) vulnerability via an insecure file upload exists in gugoan's Economizzer v.0.9-beta1 and commit 3730880 (April 2023). A…EPSS 28%8.8CVE-2023-38877Economizzer code injection vulnerabilityA host header injection vulnerability exists in gugoan's Economizzer v.0.9-beta1 and commit 3730880 (April 2023). By sending a specially crafted host…EPSS 0.88%6.5CVE-2023-38873Economizzer clickjacking vulnerabilityThe commit 3730880 (April 2023) and v.0.9-beta1 of gugoan Economizzer is vulnerable to Clickjacking. Clickjacking, also known as a "UI redress attack…EPSS 0.63%3.7CVE-2023-38872Economizzer insecure direct object reference vulnerabilityAn Insecure Direct Object Reference (IDOR) vulnerability in gugoan Economizzer commit 3730880 (April 2023) and v.0.9-beta1 allows any unauthenticated…EPSS 0.60%5.3CVE-2024-39891Twilio Authy API phone number enumeration via observable discrepancyAn unauthenticated endpoint in the Twilio Authy API, reachable through Authy Android before 25.1.0 and Authy iOS before 26.1.0, accepted streams of p…KEVEPSS 1.7%analysed

Source: NIST National Vulnerability Database (record CVE-2023-38871), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.