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CVE-2026-5762— ReportIncident DiscussionTools integration causes slow requests

Quick assessment

Affected
Wikimedia Foundation MediaWiki - ReportIncident Extension
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

MediaWiki ReportIncident Extension是MediaWiki开源的一个维基事件报告扩展组件。 MediaWiki ReportIncident Extension 1.43.7版本、1.44.4版本和1.45.2版本存在安全漏洞，该漏洞源于资源分配无限制，可能导致HTTP拒绝服务攻击。

AI Predicted 7.5 Difficulty: Easy EPSS 0.40% · P32

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2026-5762

Vulnerability Information
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Vulnerability Title
ReportIncident DiscussionTools integration causes slow requests
Source: CVE Program / CVE List V5
Vulnerability Description
Allocation of resources without limits or throttling vulnerability in Wikimedia Foundation MediaWiki - ReportIncident Extension allows HTTP DoS. This issue was remediated only on the `master` branch.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L
Source: CVE Program / CVE List V5
Vulnerability Type
不加限制或调节的资源分配
Source: CVE Program / CVE List V5
Vulnerability Title
MediaWiki ReportIncident Extension 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MediaWiki ReportIncident Extension是MediaWiki开源的一个维基事件报告扩展组件。 MediaWiki ReportIncident Extension 1.43.7版本、1.44.4版本和1.45.2版本存在安全漏洞，该漏洞源于资源分配无限制，可能导致HTTP拒绝服务攻击。
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 - ReportIncident Extension 1.43.7 -

II. Public POCs for CVE-2026-5762

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III. Intelligence Information for CVE-2026-5762

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Vendor Pages for CVE-2026-5762 (1)

Same Patch Batch · Wikimedia Foundation · 2026-04-07 · 6 CVEs total

CVE-2026-39841 Stored XSS through list fields on Cargo's page values and Special:CargoTables
CVE-2026-39838 ProofreadPage improperly sanitizes multiline styles using Sanitizer::checkCSS
CVE-2026-39840 CSS injection in multiple Cargo display formats
CVE-2026-39837 Stored XSS through the dynamic table format in Cargo
CVE-2026-39839 Stored XSS through URLs in Cargo's map format

IV. Related Vulnerabilities

Same vendor: Wikimedia Foundation
Same weakness: CWE-770

V. Comments for CVE-2026-5762

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