CVE-2021-39175 is a medium-severity cross-site scripting (XSS) vulnerability affecting HedgeDoc versions prior to 1.9.0. An unauthenticated attacker can inject arbitrary JavaScript into the speaker notes of the slide-mode feature, potentially leading to client-side compromise. The attack requires user interaction (UI:R) and has low impact on confidentiality and integrity (C:L/I:L). There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.9.0CPE matchmatch criteria | cpe:2.3:a:hedgedoc:hedgedoc:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.