How severe is CVE-2019-14537?

CVE-2019-14537 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-14537 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-14537?

CVE-2019-14537 affects Yourls. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-14537?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-14537 published?

CVE-2019-14537 was published on 2019-08-07 and last updated on 2026-06-17.

CVE-2019-14537

CVE-2019-14537 is a critical-severity vulnerability in Yourls with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-843.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 7.5
EPSS exploit prediction: 6% (93rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-843
Affected product: Yourls
Published: 2019-08-07
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2019-14537?: YOURLS through 1.7.3 is affected by a type juggling vulnerability in the api component that can result in login bypass.
How severe is CVE-2019-14537?: CVE-2019-14537 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-14537 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 6% (93rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-14537?: CVE-2019-14537 affects Yourls. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-14537?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-14537 published?: CVE-2019-14537 was published on 2019-08-07 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:yourls:yourls:*:*:*:*:*:*:*:*

More vulnerabilities in Yourls

CVE-2021-3734 — High (CVSS 8.8): yourls is vulnerable to Improper Restriction of Rendered UI Layers or Frames
CVE-2022-0088 — High (CVSS 7.4): Cross-Site Request Forgery (CSRF) in GitHub repository yourls/yourls prior to 1.8.3.
CVE-2021-3783 — Medium (CVSS 6.1): yourls is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2021-3785 — Medium (CVSS 5.4): yourls is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE-2020-27388 — Medium (CVSS 5.4): Multiple Stored Cross Site Scripting (XSS) vulnerabilities exist in the YOURLS Admin Panel, Versions 1.5 - 1.7.10. An…
CVE-2011-3824 — Medium (CVSS 5.0): Your Own URL Shortener (YOURLS) 1.5 allows remote attackers to obtain sensitive information via a direct request to a…

All CVEs affecting Yourls →

Other CWE-843 vulnerabilities

CVE-2021-33970 — Critical (CVSS 10.0): Buffer Overflow vulnerability in Qihoo 360 Chrome v13.0.2170.0 allows attacker to escalate priveleges.
CVE-2010-2299 — Critical (CVSS 10.0): The Clipboard::DispatchObject function in app/clipboard/clipboard.cc in Google Chrome before 5.0.375.70 does not…
CVE-2023-22579 — Critical (CVSS 9.9): Due to improper parameter filtering in the sequalize js library, can a attacker peform injection.
CVE-2026-13776 — Critical (CVSS 9.8): Type Confusion in Dawn in Google Chrome prior to 150.0.7871.47 allowed a remote attacker who had compromised the…
CVE-2026-43038 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: ipv6: icmp: clear skb2->cb[] in…
CVE-2025-70023 — Critical (CVSS 9.8): An issue pertaining to CWE-843: Access of Resource Using Incompatible Type was discovered in transloadit uppy v0.25.6.

Browse all CWE-843 vulnerabilities →