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CVE-2026-126946VulnerabilityPublished

Zipline from 4.3.0 before 4.5.0 contains a stored cross-site scripting vulnerability that allows authenticated

Source GCVE Database

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Authoritative record:CVE-2026-126946· Medium 5.1

Not known to be exploited · CVSS 5.1 Medium : upgrade to 4.5.0 when convenient.

Data as of 13 Nov 2026, 13:54 UTC

CVSS 4.0 base score
5.1Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (VulnCheck)CVSS 4.05.1
CNA (VulnCheck)CVSS 3.15.4
Patch
Available – fixed in 4.5.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 13 Nov 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 zipline to 4.5.0.

Affected software

ProductAffectedFixed in
dicedziplineAffected
  • >=4.3.0 <4.5.0
Fixed in
  • 4.5.0

AI-suggested

Since the vulnerability affects versions from 4.3.0 before 4.5.0, upgrading to version 4.5.0 or later (if available) is recommended once a fix is confirmed. Until then, restrict or monitor PATCH /api/user access for low-privilege users to limit exploitation potential.

Description

Zipline versions from 4.3.0 up to but not including 4.5.0 contain a stored cross-site scripting (XSS) vulnerability. This flaw allows authenticated low-privilege users to inject malicious HTML and JavaScript via unescaped embed settings in server-side rendered meta tags. Specifically, attackers can manipulate embedTitle, embedDescription, embedSiteName, or embedColor values through the PATCH /api/user endpoint. When other users visit the affected file view pages, the injected script executes in their browsers.

References

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