CVE-2026-30977
2026-03-10
[email protected]
Lifecycle Timeline
2
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
CVE Published
Mar 10, 2026 - 18:18 nvd
N/A
Description
RenderBlocking is a MediaWiki extension that allows interface administrators to specify render-blocking CSS and JavaScript. Prior to 0.1.1, there is Stored XSS in renderblocking-css with Inline Assets mode. $wgRenderBlockingInlineAssets = true and editsitecss user rights are required. This vulnerability is fixed in 0.1.1.
Analysis
RenderBlocking is a MediaWiki extension that allows interface administrators to specify render-blocking CSS and JavaScript. versions up to 0.1.1 is affected by cross-site scripting (xss).
Sign in for full analysis, threat intelligence, and remediation guidance.
Priority Score
0
Low
Medium
High
Critical
KEV: 0
EPSS: +0.0
CVSS: +0
POC: 0
Share
External POC / Exploit Code
Leaving vuln.today
Destination URL
POC code from unknown sources may be malicious, contain backdoors, or be fake.
Always review and test exploit code in a safe, isolated environment (VM/sandbox).
Verify the source reputation and cross-reference with known databases (Exploit-DB, GitHub Security).