CVE-2026-49452
CVE-2026-49452: 1 tracked advisory record across Red Hat. Compare vendor sources and published fix guidance.
Compare the source-linked records below. Ratings and product/version details belong to each advisory; they are not a single CVE-wide score or proof that every listed product is affected. How VulniPulse collects and checks evidence.
Vendor advisory comparison
Red Hat
1 advisory- Advisory severityMedium6.5
Medium [CVE-2026-49452] CSS Injection via Presentational Hints
CVE-2026-49452Source published Source updated
WeasyPrint helps web developers to create PDF documents. Prior to 69.0, WeasyPrint embeds unescaped HTML presentational-hint attribute values into CSS in weasyprint/css/__init__.py when presentational_hints=True. The background attribute is inserted into a background-image:url() declaration and parsed by tinycss2.parse_blocks_contents(), allowing untrusted HTML to inject additional CSS declarations. Applications that render untrusted HTML with presentational hints enabled can be affected by CSS injection and server-side requests through injected url() values. This issue is fixed in version 69.0. This vulnerability allows a remote attacker to inject arbitrary CSS, potentially leading to information disclosure or the initiation of server-side requests through specially crafted url()…
- Affected products in this advisory
- No product details extracted. Check the source bulletin.
- Source-reported affected versions
- < 69.0
- Source-reported fixed versions
- 69.0
- Mitigation guidance
- Escape attribute values before embedding into CSS, and restrict allowed values for presentational hints.
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