HTML Injection in shout

Also known as GHSA-26q7-g57v-mxcp

Published 8 y ago 2018-06-04 · modified 4 mo ago 2026-06-17 · JSON

CVSS

6.1

v3.1 · NVD

CISA KEV

not known exploited

EPSS

1.0%

percentile 63%

Public exploits

none known

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.

Exploit prediction (EPSS)

1.00% probability of exploitation in the next 30 days, higher than 63% of all scored CVEs.

CVSS scores

Assigned by	Version	Score	Vector
NVD	3.1	6.1	`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N`
NVD	2.0	4.3	`AV:N/AC:M/Au:N/C:N/I:P/A:N`

Affected packages

Ecosystem	Package	Affected	Fixed in
npm	`shout`	>=0.44.0, <0.50.0	0.50.0

Affected products

HackerOne shout node module

Classification

Weakness

CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component

References

github.com /erming/shout/pull/344 · x_refsource_MISC, x_transferred
nodesecurity.io /advisories/322 · x_refsource_MISC, x_transferred
nvd.nist.gov /vuln/detail/CVE-2017-16043 · advisory
github.com /advisories/GHSA-26q7-g57v-mxcp · advisory
npmjs.com /advisories/322 · web

Sources

CVE List: CVE-2017-16043
GitHub Advisory: GHSA-26q7-g57v-mxcp
NVD: CVE-2017-16043

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.

Summary