CVE-2021-3355 describes a stored-self Cross-Site Scripting (XSS) vulnerability in LightCMS version 1.3.4, allowing an authenticated attacker to inject malicious HTML or JavaScript code into the Title field of the /admin/SensitiveWords page. This vulnerability carries a CVSS v3.1 score of 5.4 (MEDIUM), indicating a low attack complexity and requiring user interaction, with potential impacts on confidentiality and integrity. While not actively exploited in the wild and not listed on the KEV catalog, public exploit code is available via ExploitDB (EDB-49598). Community discussion and media coverage for this CVE are minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.3.4CPE matchmatch criteria | cpe:2.3:a:lightcms_project:lightcms:1.3.4:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.