CVE-2019-16766

Name: CVE-2019-16766
Creator: NVD / NIST
Published: 2019-11-29T17:15:11.683+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.8/10EPSS 1.16%

Last modified Jun 17, 2026

CVE-2019-16766 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. When using wagtail-2fa before 1.3.0, if someone gains access to someone's Wagtail login credentials, they can log into the CMS and bypass the 2FA check by changing the URL. They can then add a new device and gain full access to the CMS. EPSS estimates a 1.16% chance of exploitation in the next 30 days.

Description

When using wagtail-2fa before 1.3.0, if someone gains access to someone's Wagtail login credentials, they can log into the CMS and bypass the 2FA check by changing the URL. They can then add a new device and gain full access to the CMS. This problem has been patched in version 1.3.0.

Metrics

CVSS 3.1

8.8/10

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

EPSS Probability

1.16%

63.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Labdigital	Wagtail-2fa	< 1.3.0

References

https://github.com/LabD/wagtail-2fa/security/advisories/GHSA-89px-ww3j-g2mmThird Party Advisory
https://github.com/labd/wagtail-2fa/commit/13b12995d35b566df08a17257a23863ab6efb0caPatch, Third Party Advisory
https://github.com/labd/wagtail-2fa/commit/a6711b29711729005770ff481b22675b35ff5c81Patch, Third Party Advisory
https://github.com/LabD/wagtail-2fa/security/advisories/GHSA-89px-ww3j-g2mmThird Party Advisory
https://github.com/labd/wagtail-2fa/commit/13b12995d35b566df08a17257a23863ab6efb0caPatch, Third Party Advisory
https://github.com/labd/wagtail-2fa/commit/a6711b29711729005770ff481b22675b35ff5c81Patch, Third Party Advisory

Timeline

Published: Nov 29, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-16766?

How severe is CVE-2019-16766?

CVE-2019-16766 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 1.16% probability of exploitation in the next 30 days.

How do I fix CVE-2019-16766?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-16766?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST