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Install Pricing Enterprise Affiliates Docs Open App

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Run in Postman
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CVE-2026-58520 (CVE-2026-58520) | HOL Guard CVE

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Medium · CVSS 6.9CVE-2026-58520

CVE-2026-58520

URL redirection to untrusted site ('open redirect') vulnerability in The Wikimedia Foundation Mediawiki - UrlShortener Extension allows Cross-Site Flashing. This issue affects Mediawiki - UrlShortener Extension: from * before 1.43.9, 1.44.6, 1.45.4.

Published Jul 1, 2026Updated Jul 9, 2026Source checked Jul 18, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 6.9
Exploitation: No known exploitation
Affected software: Not mapped
Fix availability: Not reported

Recommended action

Review the upstream advisory, identify the affected product in your inventory, and apply the vendor update when one is available.

What this means

CVE-2026-58520 is listed in the HOL Guard supply-chain feed, but affected software is not mapped to a package. Review the upstream advisory for the affected product and vendor guidance. URL redirection to untrusted site ('open redirect') vulnerability in The Wikimedia Foundation Mediawiki - UrlShortener Extension allows Cross-Site Flashing. This issue affects Mediawiki - UrlShortener Extension: from * before 1.43.9, 1.44.6, 1.45.4.

Affected software

Affected software not mapped. Review the upstream record for vendor-specific product and version guidance.

Evidence and references

https://gerrit.wikimedia.org/r/q/I7a59cc4c351b5aa47ed46f7a14a1105fd1ecc5b5
https://phabricator.wikimedia.org/T418431

Back to active CVEs

Medium · CVSS 6.9CVE-2026-58520

CVE-2026-58520

URL redirection to untrusted site ('open redirect') vulnerability in The Wikimedia Foundation Mediawiki - UrlShortener Extension allows Cross-Site Flashing. This issue affects Mediawiki - UrlShortener Extension: from * before 1.43.9, 1.44.6, 1.45.4.

Published Jul 1, 2026Updated Jul 9, 2026Source checked Jul 18, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 6.9
Exploitation: No known exploitation
Affected software: Not mapped
Fix availability: Not reported

Recommended action

Review the upstream advisory, identify the affected product in your inventory, and apply the vendor update when one is available.

What this means

CVE-2026-58520 is listed in the HOL Guard supply-chain feed, but affected software is not mapped to a package. Review the upstream advisory for the affected product and vendor guidance. URL redirection to untrusted site ('open redirect') vulnerability in The Wikimedia Foundation Mediawiki - UrlShortener Extension allows Cross-Site Flashing. This issue affects Mediawiki - UrlShortener Extension: from * before 1.43.9, 1.44.6, 1.45.4.

Affected software

Affected software not mapped. Review the upstream record for vendor-specific product and version guidance.

Evidence and references

https://gerrit.wikimedia.org/r/q/I7a59cc4c351b5aa47ed46f7a14a1105fd1ecc5b5
https://phabricator.wikimedia.org/T418431

Source metadata

Published: Jul 1, 2026
Modified: Jul 9, 2026
Source checked: Jul 18, 2026

Reported by NVD (nvd).

Keep this signal in your Guard workflow.

HOL Guard can help your team monitor supply-chain activity while the upstream record is clarified.

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Source metadata

Published: Jul 1, 2026
Modified: Jul 9, 2026
Source checked: Jul 18, 2026

Reported by NVD (nvd).

Keep this signal in your Guard workflow.

HOL Guard can help your team monitor supply-chain activity while the upstream record is clarified.

Explore HOL Guard