How severe is CVE-2018-19286?

CVE-2018-19286 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-2018-19286 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-2018-19286?

CVE-2018-19286 affects Mubu Curtain. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-19286?

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

When was CVE-2018-19286 published?

CVE-2018-19286 was published on 2018-11-15 and last updated on 2026-06-17.

CVE-2018-19286

CVE-2018-19286 is a medium-severity vulnerability in Mubu Curtain 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% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Mubu Curtain
Published: 2018-11-15
Last modified: 2026-06-17

Description

The server in mubu note 2018-11-11 has XSS by configuring an account with a crafted name value (along with an arbitrary username value), and then creating and sharing a note.

Frequently asked questions

What is CVE-2018-19286?: The server in mubu note 2018-11-11 has XSS by configuring an account with a crafted name value (along with an arbitrary username value), and then creating and sharing a note.
How severe is CVE-2018-19286?: CVE-2018-19286 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-2018-19286 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-2018-19286?: CVE-2018-19286 affects Mubu Curtain. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-19286?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-19286 published?: CVE-2018-19286 was published on 2018-11-15 and last updated on 2026-06-17.

References

https://github.com/CCCCCrash/POCs/blob/master/Web/mubu/xss.md

Affected products (1)

cpe:2.3:a:mubu:curtain:2018-11-11:*:*:*:*:*:*:*

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