MEDIUMCVSS v3.1 4.8Vulnerability

CVE-2026-113355

Chatwoot before 4.14.0 contains a stored cross-site scripting vulnerability that allows account administrators to inject JavaScript by crafting video-embed links in Help Center articles. Attackers can use angle-bracket link destinations with double quotes to break out of the unescaped iframe src attribute in render_embed_from_match, executing scripts for public visitors and stealing cw_conversation widget tokens.

Properties

Severity
MEDIUM
Nvd fetched at
2026-10-20T21:14:08.448323+00:00
Cvss score
4.8
Cvss severity
MEDIUM
Retrieved at
2026-10-20T21:15:35+00:00
Score
4.8
Last source
NVD
Cvss version
3.1
Cve id
CVE-2026-113355
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
First seen by Signal
2026-10-20T13:03:27+00:00
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Published at
2026-10-20T11:17:19.997
Last modified
2026-10-20T20:06:37.150

Related Entities (1)

HAS_WEAKNESS (1)

→[Weakness]Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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CVE-2026-113355 (CVSS v3.1 4.8) — Ninja Signal Threat Intelligence | Ninja Signal