CVE-2021-29503 is a cross-site scripting (XSS) vulnerability affecting HedgeDoc versions prior to 1.8.2. An attacker with write access to a note can inject malicious HTML tags into the Open Graph metadata, leading to script execution in the user's browser. This vulnerability has a CVSS score of 6.1 (Medium), indicating it can be exploited remotely with low attack complexity, requiring user interaction, and potentially impacting confidentiality and integrity. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.8.2CPE 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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No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.