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01 Record

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.

UnratedPUBLISHEDCNA: hackerone
CNA base scoreUnratedNo CNA CVSS vector

02 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.

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
0.99% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 62.4% of scored records. A rank, not a probability.
NVD base score
6.1 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2018-06-04 19:00Z8 YR AGO
Last updated
2024-09-16 16:58Z2 YR AGO
Reserved
2017-10-29
Assigning CNA
hackerone
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-80Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)Variant
  • CWE-74Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection')Class
Data version
5.1
Document digest
51b69506840aebb1bba77872ad205a7ab5f2da8f6d53707a1c6427bd6197e8ff

05 Affected products

VendorProductVersionsPlatforms
HackerOneshout node module>=0.44.0 <=0.49.3—

06 References