How severe is CVE-2017-16043?

CVE-2017-16043 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-2017-16043 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-16043?

CVE-2017-16043 affects Shout Project Shout. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2017-16043?

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

When was CVE-2017-16043 published?

CVE-2017-16043 was published on 2018-06-04 and last updated on 2026-06-17.

CVE-2017-16043

CVE-2017-16043 is a medium-severity vulnerability in Shout Project Shout 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-74.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-74
Affected product: Shout Project Shout
Published: 2018-06-04
Last modified: 2026-06-17

Description

Shout is an IRC client. Because the `/topic` command in messages is unescaped, attackers have the ability to inject HTML scripts that will run in the victim's browser. Affects shout >=0.44.0 <=0.49.3.

Frequently asked questions

What is CVE-2017-16043?: Shout is an IRC client. Because the `/topic` command in messages is unescaped, attackers have the ability to inject HTML scripts that will run in the victim's browser. Affects shout >=0.44.0 <=0.49.3.
How severe is CVE-2017-16043?: CVE-2017-16043 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-2017-16043 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-16043?: CVE-2017-16043 affects Shout Project Shout. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2017-16043?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-16043 published?: CVE-2017-16043 was published on 2018-06-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:shout_project:shout:*:*:*:*:*:node.js:*:*

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