CVE-2026-30977
RenderBlocking has Stored XSS in renderblocking-css with Inline Assets mode
- State
- Published
- Severity
- 2.0 Low
- Published
- Mar 10, 2026
- Updated
- Mar 11, 2026
- Reserved
- Mar 7, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 2.0 Low | CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N | GitHub_M |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
RenderBlockinglihaohong6 |
|
References
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