CVE-2019-16890
CVE-2019-16890 is a medium-severity vulnerability in Halo with a CVSS 3.x base score of 5.4. 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-79.
Key facts
- Severity: Medium (CVSS 3.x base score 5.4)
- CVSS v2: 3.5
- EPSS exploit prediction: 1% (47th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Halo
- Published:
- Last modified:
Description
Halo 1.1.0 has XSS via a crafted authorUrl in JSON data to api/content/posts/comments.
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 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2019-16890 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-16890?
- CVE-2019-16890 affects Halo. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-16890?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2019-16890 published?
- CVE-2019-16890 was published on 2019-09-25 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:halo:halo:1.1.0:*:*:*:*:*:*:*
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