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CVE-2026-103049VulnerabilityPublished

Cargo · Cross-site Scripting

Affects CargoSource GCVE Database

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Authoritative record:CVE-2026-103049· Medium 6.1

Not known to be exploited · CVSS 6.1 Medium : upgrade to 1.46.1 when convenient.

Data as of 12 Nov 2026, 23:24 UTC

CVSS 3.1 base score
6.1Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 4% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 1.46.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 29 Sep 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.

What to do

Upgrade wikimedia/extensions/Cargo to 1.46.1.

Affected software

ProductAffectedFixed in
GitHubwikimedia/extensions/Cargopkg:github/wikimedia/extensions/CargoOther threatsAffected
  • <1.46.1
Fixed in
  • 1.46.1

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade the Mediawiki Cargo extension to version 1.46.1 or later, where this vulnerability has been fixed. No additional mitigation steps are indicated by the vendor advisory.

Description

A reflected cross-site scripting (XSS) vulnerability exists in the Wikimedia Foundation's Mediawiki Cargo extension before version 1.46.1. This vulnerability arises from improper neutralization of input during web page generation, allowing attackers to inject malicious scripts into web pages. No CVSS score is provided for this vulnerability. The issue is classified as high severity due to the potential impact of XSS attacks. A fix is available in version 1.46.1.

References

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