CVE-2021-30458 is a cross-site scripting (XSS) vulnerability affecting Wikimedia Parsoid versions before 0.11.1 and 0.12.x before 0.12.2. An unauthenticated attacker can exploit this by submitting specially crafted wikitext, which bypasses sanitization through a <meta> tag, leading to potential XSS. Rated Medium (CVSS 6.1), the attack requires user interaction and has low impact on confidentiality and integrity. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.11.1CPE matchmatch criteria | cpe:2.3:a:wikimedia:parsoid:*:*:*:*:*:node.js:*:* | ||
>= 0.12.0, < 0.12.2CPE matchmatch criteria | cpe:2.3:a:wikimedia:parsoid:*:*:*:*:*:node.js:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.