CVE-2021-21422 is a cross-site scripting (XSS) vulnerability affecting mongo-express, a web-based MongoDB admin interface. It allows an attacker to inject malicious JavaScript into data cells, which can then be executed when an administrator views the unsanitized content. This could lead to data exfiltration or other unauthorized actions. Rated as Medium severity (CVSS 6.1), the vulnerability requires user interaction (UI:R) and has low impact on confidentiality and integrity (C:L, I:L). The attack vector is network-based (AV:N) with low attack complexity (AC:L). Currently, there is no evidence of active exploitation, nor are there publicly available exploit modules or significant community discussion surrounding this CVE. It is not listed in the CISA KEV catalog.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 0.54.0CPE matchmatch criteria | cpe:2.3:a:mongo-express_project:mongo-express:*:*:*:*:*:node.js:*:* | ||
1.0.0CPE matchmatch criteria | cpe:2.3:a:mongo-express_project:mongo-express:1.0.0:alpha1:*:*:*:*:*:* | ||
1.0.0CPE matchmatch criteria | cpe:2.3:a:mongo-express_project:mongo-express:1.0.0:alpha3:*:*:*:*:*:* |
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.