Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') Affecting weasyprint package, versions [,69.0)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-PYTHON-WEASYPRINT-17824464
- published6 Jul 2026
- disclosed6 Jul 2026
- creditAyushParkara
Introduced: 6 Jul 2026
CVE-2026-49452 (opens in a new tab)How to fix?
Upgrade weasyprint to version 69.0 or higher.
Overview
weasyprint is a The Awesome Document Factory
Affected versions of this package are vulnerable to Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') in the processing of presentational hints when unescaped attribute values are embedded into CSS. An attacker can inject arbitrary CSS declarations by supplying crafted attribute values, potentially causing server-side requests or altering the rendered output. This is only exploitable if presentational hints are enabled.