Cross-site scripting in HackerOne shout node module
Priority LOW 29CWE-80Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-80.
Summary
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.
Why it matters now
EPSS 0.00999 63rd percentileScored 2026-11-07
Fix Fixed shout (npm): 0.50.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| HackerOne | shout node module | >=0.44.0 <=0.49.3 | — | No fix listed | CNA |
| — | shout (npm) | 0.44.0 to before 0.50.0 | 0.50.0 | Patch available | GHSA-26q7-g57v-mxcp |
- shout node module VendorHackerOne Affected >=0.44.0 <=0.49.3 Fixed in — No fix listed CNA
- shout (npm) Vendor— Affected 0.44.0 to before 0.50.0 Fixed in 0.50.0 Patch available GHSA-26q7-g57v-mxcp
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:shout_project:shout:*:*:*:*:*:node.js:*:* | 0.44.0 to before 0.50.0 | Vulnerable | Shout Project |
- cpe:2.3:a:shout_project:shout:*:*:*:*:*:node.js:*:* Versions 0.44.0 to before 0.50.0 Vulnerable ·Shout Project
Remediation
- Fix · GHSA-26q7-g57v-mxcp shout (npm) Fixed in 0.50.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2017-16043
- 2026-10-03 Alias added: GHSA-26q7-g57v-mxcp
References
Sources
- CVE-2017-16043 · CVE Program
- CVE-2017-16043 · NVD
- FIRST EPSS
- GHSA-26q7-g57v-mxcp · GitHub Advisory Database · CC BY 4.0
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