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CVE-2026-96878— Cargo Exhibit field alias allows stored XSS

Quick assessment

Affected
The Wikimedia Foundation Mediawiki - Cargo 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.

在 Mediawiki - Cargo 扩展中，由于在生成网页时未能正确对输入进行净化，存在跨站脚本（Cross-Site Scripting, XSS）漏洞，可导致反射型跨站脚本攻击。 该漏洞影响 Mediawiki - Cargo 扩展的 3.9.4 及之前版本。

CVSS 6.9 · Medium EPSS 0.26% · P16
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I. Basic Information for CVE-2026-96878

Vulnerability Information
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Vulnerability Title
Cargo Exhibit field alias allows stored XSS
Source: CVE Program / CVE List V5
Vulnerability Description
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Mediawiki - Cargo extension allows Reflected XSS. This issue affects Mediawiki - Cargo extension: through 3.9.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
The Wikimedia Foundation Mediawiki - Cargo extension 0 ~ 3.9.4 -

II. Public POCs for CVE-2026-96878

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III. Intelligence Information for CVE-2026-96878

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Other References for CVE-2026-96878 (1)

Same Patch Batch · The Wikimedia Foundation · 2026-09-25 · 7 CVEs total

CVE-2026-96879 6.9 MEDIUM "Checked by" label in page history should not be shown if the underlying review log entry
CVE-2026-96877 6.9 MEDIUM Reflected XSS through Cargo Drilldown full-text search
CVE-2026-96875 6.9 MEDIUM Reflected XSS in Cargo Drilldown hierarchy filters
CVE-2026-96876 6.9 MEDIUM Anonymous reflected XSS in CargoExport invalid-alias errors
CVE-2026-96874 2.3 LOW Stored XSS in Cargo Drilldown tab names
CVE-2026-100237 Stored i18n XSS in the Flow integration of Thanks

IV. Related Vulnerabilities

Same product: Mediawiki - Cargo extension
Same vendor: The Wikimedia Foundation
Same weakness: CWE-79

V. Comments for CVE-2026-96878

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