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Vulnerability record · CVE-2019-14537 · published 7 August 2019

CVE-2019-14537: Yourls type confusion vulnerability

Yourls · Yourls

YOURLS through 1.7.3 is affected by a type juggling vulnerability in the api component that can result in login bypass.

9.8 CVSS 3.0 Critical EPSS 6.1% · top 6.8% CWE-843 · Type confusion
9.8CVSS 3.0 base score, v2 7.5
6.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
10References, 4 tagged exploit
17 Jun 2026Last modified by NVD

Description

YOURLS through 1.7.3 is affected by a type juggling vulnerability in the api component that can result in login bypass.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

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

References

LinkTags
https://github.com/Wocanilo/CVE-2019-14537 ExploitThird Party Advisory
https://github.com/YOURLS/YOURLS/commits/master PatchThird Party Advisory
https://github.com/YOURLS/YOURLS/pull/2542 PatchThird Party Advisory
https://github.com/YOURLS/YOURLS/releases Release NotesThird Party Advisory
https://security-garage.com/index.php/cves/cve-2019-14537-api-authentication-bypass-via-type-juggling ExploitThird Party Advisory
https://github.com/Wocanilo/CVE-2019-14537 ExploitThird Party Advisory
https://github.com/YOURLS/YOURLS/commits/master PatchThird Party Advisory
https://github.com/YOURLS/YOURLS/pull/2542 PatchThird Party Advisory
https://github.com/YOURLS/YOURLS/releases Release NotesThird Party Advisory
https://security-garage.com/index.php/cves/cve-2019-14537-api-authentication-bypass-via-type-juggling ExploitThird Party Advisory

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Related vulnerabilities

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

8.8CVE-2021-3734Yourls clickjacking vulnerabilityyourls is vulnerable to Improper Restriction of Rendered UI Layers or FramesEPSS 0.40%7.4CVE-2022-0088Yourls cross-site request forgery vulnerabilityCross-Site Request Forgery (CSRF) in GitHub repository yourls/yourls prior to 1.8.3.EPSS 2.0%6.1CVE-2021-3783Yourls cross-site scripting vulnerabilityyourls is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')EPSS 0.70%5.4CVE-2021-3785Yourls cross-site scripting vulnerabilityyourls is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')EPSS 0.72%5.4CVE-2020-27388Yourls cross-site scripting vulnerabilityMultiple Stored Cross Site Scripting (XSS) vulnerabilities exist in the YOURLS Admin Panel, Versions 1.5 - 1.7.10. An authenticated user must modify …EPSS 0.72%5.0CVE-2011-3824Yourls information exposure vulnerabilityYour Own URL Shortener (YOURLS) 1.5 allows remote attackers to obtain sensitive information via a direct request to a .php file, which reveals the in…EPSS 1.2%4.3CVE-2014-8488Yourls cross-site scripting vulnerabilityCross-site scripting (XSS) vulnerability in the administrator panel in Yourls 1.7 allows remote attackers to inject arbitrary web script or HTML via …EPSS 1.9%8.8CVE-2026-85046Google Chrome V8 type confusion enables sandboxed remote code executionChrome's V8 JavaScript engine contains a type confusion flaw (CWE-843) fixed in version 152.0.7977.82. A crafted HTML page can trigger the confusion …KEVEPSS 49%analysed

Source: NIST National Vulnerability Database (record CVE-2019-14537), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.