CVE-2026-126946

MEDIUMCVSS 5.4/10EPSS 0.24%

Last modified

CVE-2026-126946 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Zipline from 4.3.0 before 4.5.0 contains a stored cross-site scripting vulnerability that allows authenticated low-privilege users to inject HTML through unescaped embed settings in SSR meta tags. Attackers can set malicious embedTitle, embedDescription, embedSiteName, or embedColor values via PATCH /api/user to execute JavaScript in browsers of visitors opening their file view pages.. EPSS estimates a 0.24% chance of exploitation in the next 30 days.

Description

Zipline from 4.3.0 before 4.5.0 contains a stored cross-site scripting vulnerability that allows authenticated low-privilege users to inject HTML through unescaped embed settings in SSR meta tags. Attackers can set malicious embedTitle, embedDescription, embedSiteName, or embedColor values via PATCH /api/user to execute JavaScript in browsers of visitors opening their file view pages.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
dicedzipline>= 4.3.0, < 4.5.0

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-126946?
Zipline from 4.3.0 before 4.5.0 contains a stored cross-site scripting vulnerability that allows authenticated low-privilege users to inject HTML through unescaped embed settings in SSR meta tags. Attackers can set malicious embedTitle, embedDescription, embedSiteName, or embedColor values via PATCH /api/user to execute JavaScript in browsers of visitors opening their file view pages.
How severe is CVE-2026-126946?
CVE-2026-126946 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.24% probability of exploitation in the next 30 days.
How do I fix CVE-2026-126946?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST