CVE-2026-96878Network attack vectorHinoki check available

Reflected script execution via crafted requests

Published Sep 25, 2026 · Updated Sep 25, 2026

Reflected XSS in Wikimedia Foundation Cargo 3.9.4 and earlier allows remote attackers to execute script via a crafted request. The CNA record does not identify the affected endpoint, parameter, or output operation that fails to neutralize the input. A victim must follow or submit the crafted request, and successful exploitation executes script in the victim's MediaWiki origin.

CVSS severityUnavailable
Unscored
EPSS probability0.27%
Next 30 days · Oct 19, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkAvailable
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Summary

What happened

Reflected XSS in Wikimedia Foundation Cargo 3.9.4 and earlier allows remote attackers to execute script via a crafted request. The CNA record does not identify the affected endpoint, parameter, or output operation that fails to neutralize the input. A victim must follow or submit the crafted request, and successful exploitation executes script in the victim's MediaWiki origin.

The record

CVE
CVE-2026-96878
Published
Sep 25, 2026
Updated
Sep 25, 2026
Vendor
Wikimedia Foundation
Product
Cargo
Classifications
CWE-79, T1189
Attack vector
network
Privileges
Unavailable

Timeline

How it unfolded

  1. Sep 25, 2026CVE publishedPublication date reported by the CVE source.
  2. Sep 25, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=3.9.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesUnavailable in this record.

What is affected?

Wikimedia Foundation · Cargoversion=0 <=3.9.4

Published CVSS scores

No CVSS assessment is available in this record.

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Activity data is delayed. The latest report is Sep 28, 2026.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 22, 2026Sep 28, 2026
Latest reporting daySep 28, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
PrivilegesUnavailable
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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