CVE-2019-16890

Name: CVE-2019-16890
Creator: NVD / NIST
Published: 2019-09-25T21:15:12.407+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.66%

Last modified Jun 17, 2026

CVE-2019-16890 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Halo 1.1.0 has XSS via a crafted authorUrl in JSON data to api/content/posts/comments.. EPSS estimates a 0.66% chance of exploitation in the next 30 days.

Description

Halo 1.1.0 has XSS via a crafted authorUrl in JSON data to api/content/posts/comments.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.66%

46.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Halo	Halo	1.1.0

References

https://github.com/halo-dev/halo/issues/311Exploit, Patch, Third Party Advisory
https://github.com/halo-dev/halo/issues/311Exploit, Patch, Third Party Advisory

Timeline

Published: Sep 25, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-16890?

Halo 1.1.0 has XSS via a crafted authorUrl in JSON data to api/content/posts/comments.

How severe is CVE-2019-16890?

CVE-2019-16890 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.66% probability of exploitation in the next 30 days.

How do I fix CVE-2019-16890?

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-2019-16890?

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

Scan your code now

Source: NVD / NIST