How severe is CVE-2019-9093?

CVE-2019-9093 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-9093 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-9093?

CVE-2019-9093 affects Humhub. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-9093?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-9093 published?

CVE-2019-9093 was published on 2019-03-21 and last updated on 2026-06-17.

CVE-2019-9093

CVE-2019-9093 is a medium-severity vulnerability in Humhub with a CVSS 3.x base score of 6.1. 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 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Humhub
Published: 2019-03-21
Last modified: 2026-06-17

Description

A Reflected Cross Site Scripting (XSS) Vulnerability was discovered in file/file/upload in Humhub 1.3.10 Community Edition. The user-supplied input containing a JavaScript payload in the filename parameter is echoed back, which resulted in reflected XSS.

Frequently asked questions

What is CVE-2019-9093?: A Reflected Cross Site Scripting (XSS) Vulnerability was discovered in file/file/upload in Humhub 1.3.10 Community Edition. The user-supplied input containing a JavaScript payload in the filename parameter is echoed back, which resulted in reflected XSS.
How severe is CVE-2019-9093?: CVE-2019-9093 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-9093 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-9093?: CVE-2019-9093 affects Humhub. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-9093?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-9093 published?: CVE-2019-9093 was published on 2019-03-21 and last updated on 2026-06-17.

References

https://github.com/humhub/humhub/blob/master/protected/humhub/docs/CHANGELOG.md

Affected products (1)

cpe:2.3:a:humhub:humhub:1.3.10:*:*:*:community:*:*:*

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