CVE-2026-0668— VisualData extension: Regular Expression Denial of Service (ReDoS) via crafted user input
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I. Basic Information for CVE-2026-0668
Vulnerability Information
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Vulnerability Title
VisualData extension: Regular Expression Denial of Service (ReDoS) via crafted user input
Source: NVD (National Vulnerability Database)
Vulnerability Description
Inefficient Regular Expression Complexity vulnerability in Wikimedia Foundation MediaWiki - VisualData Extension allows Regular Expression Exponential Blowup.This issue affects MediaWiki - VisualData Extension: 1.45.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
CWE-1333
Source: NVD (National Vulnerability Database)
Vulnerability Title
MediaWiki - VisualData Extension 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MediaWiki - VisualData Extension是MediaWiki开源的一个数据可视化扩展。 MediaWiki - VisualData Extension 1.45版本存在安全漏洞，该漏洞源于低效的正则表达式复杂性，可能导致正则表达式指数级膨胀。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Wikimedia Foundation | MediaWiki - VisualData Extension | 1.45 | - |
II. Public POCs for CVE-2026-0668
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Wikimedia Foundation · 2026-01-07 · 3 CVEs total
| CVE-2026-0669 | Path Traversal vulnerability in CSS extension on certain web servers | |
| CVE-2026-0670 | Stored XSS through a system message and a user-provided parameter in ProofreadPage |
IV. Related Vulnerabilities
Same vendor: Wikimedia Foundation
- CVE-2026-39837
Stored XSS through the dynamic table format in Cargo - CVE-2026-39841
Stored XSS through list fields on Cargo's page values and Sp - CVE-2026-39840
CSS injection in multiple Cargo display formats - CVE-2026-39839
Stored XSS through URLs in Cargo's map format - CVE-2026-39838
ProofreadPage improperly sanitizes multiline styles using Sa
Same weakness: CWE-1333
- CVE-2026-33079
Mistune ReDoS in LINK_TITLE_RE allows denial of service with - CVE-2026-41040
GROWI 安全漏洞 - CVE-2026-40319
Giskard has a Regular Expression Denial of Service (ReDoS) i - CVE-2026-5986
Zod jsVideoUrlParser util.js getTime redos - CVE-2026-35041
ReDoS in fast-jwt when using RegExp in allowed* leading to C
V. Comments for CVE-2026-0668
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