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From: Salvatore Bonaccorso <carnil@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: vega.js: CVE-2025-66648
Message-ID: <176805009154.165324.6474005033856401724.reportbug@eldamar.lan>
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Date: Sat, 10 Jan 2026 14:01:31 +0100
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Source: vega.js
Version: 5.28.0+ds+~cs5.3.0-1
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil@debian.org, Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for vega.js.

CVE-2025-66648[0]:
| vega-functions provides function implementations for the Vega
| expression language. Prior to version 6.1.1, for sites that allow
| users to supply untrusted user input, malicious use of an internal
| function (not part of the public API) could be used to run
| unintentional javascript (XSS). This issue is fixed in vega-
| functions `6.1.1`. There is no workaround besides upgrading. Using
| `vega.expressionInterpreter` as described in CSP safe mode does not
| prevent this issue.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2025-66648
    https://www.cve.org/CVERecord?id=CVE-2025-66648
[1] https://github.com/vega/vega/security/advisories/GHSA-m9rg-mr6g-75gm

Please adjust the affected versions in the BTS as needed.

Regards,
Salvatore
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