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CVE-2019-14537

31
FAUCET Score

CVE-2019-14537 is a critical type juggling vulnerability affecting the API component of YOURLS through version 1.7.3, allowing for login bypass. With a CVSS score of 9.8, it presents a severe risk due to its network-based attack vector, low complexity, and high impact on confidentiality, integrity, and availability. Despite its critical severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 1.7.3CPE matchmatch criteria
cpe:2.3:a:yourls:yourls:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
6.14%
Probability of exploitation in next 30 days
EPSS Percentile
92.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0614 is in the 87th percentile among its peer group of 36,829 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

composerpatch availablevia ghsa
Product: yourls/yourlsFixed in: 1.7.4
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-vf23-f26f-mjj9critical

Access of Resource Using Incompatible Type ('Type Confusion') in yourls/yourls

Sep 23, 2019

References

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