CVE-2026-39934— Growth Experiments ReassignMenteesJob runs as an infinite loop
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I. Basic Information for CVE-2026-39934
Vulnerability Information
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Vulnerability Title
Growth Experiments ReassignMenteesJob runs as an infinite loop
Source: NVD (National Vulnerability Database)
Vulnerability Description
Loop with unreachable exit condition ('infinite loop') vulnerability in The Wikimedia Foundation Mediawiki - GrowthExperiments Extension allows Leveraging Time-of-Check and Time-of-Use (TOCTOU) Race Conditions. This issue was remediated only on the `master` branch.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
不可达退出条件的循环(无限循环)
Source: NVD (National Vulnerability Database)
Vulnerability Title
MediaWiki - GrowthExperiments Extension 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
MediaWiki - GrowthExperiments Extension是MediaWiki开源的一个插件。 Mediawiki - GrowthExperiments Extension 1.45.2版本、1.44.4版本和1.43.7版本存在安全漏洞，该漏洞源于存在不可达退出条件的循环，可能导致利用TOCTOU竞争条件。
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 |
|---|---|---|---|---|
| The Wikimedia Foundation | Mediawiki - GrowthExperiments Extension | 1.45.2 | - |
II. Public POCs for CVE-2026-39934
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · The Wikimedia Foundation · 2026-04-07 · 6 CVEs total
| CVE-2026-22711 | Stored XSS through system messages in WikiLove | |
| CVE-2026-39937 | Global vanishing does not completely remove user email | |
| CVE-2026-39933 | Multiple XSS vulnerabilities in GlobalWatchlist | |
| CVE-2026-39936 | Stored XSS in Score due to usage of non-reserved data attributes | |
| CVE-2026-39935 | XSS-via-i18n in localised wiki names |
IV. Related Vulnerabilities
Same vendor: The Wikimedia Foundation
- CVE-2026-39936
Stored XSS in Score due to usage of non-reserved data attrib - CVE-2026-39935
XSS-via-i18n in localised wiki names - CVE-2026-39933
Multiple XSS vulnerabilities in GlobalWatchlist - CVE-2026-39937
Global vanishing does not completely remove user email - CVE-2026-22711
Stored XSS through system messages in WikiLove
Same weakness: CWE-835
- CVE-2026-42310
Pillow: PDF Parsing Trailer Infinite Loop (DoS) - CVE-2026-41511
OpenMcdf has an Infinite loop DoS via crafted CFB directory - CVE-2026-5407
Loop with Unreachable Exit Condition ('Infinite Loop') in Wi - CVE-2026-6536
Loop with Unreachable Exit Condition ('Infinite Loop') in Wi - CVE-2026-6534
Loop with Unreachable Exit Condition ('Infinite Loop') in Wi
V. Comments for CVE-2026-39934
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