CVE-2025-43954

MEDIUM
Published Apr 20, 2025 Modified Apr 30, 2025 CWE-79

Description

QMarkdown (aka quasar-ui-qmarkdown) before 2.0.5 allows XSS via headers even when when no-html is set.

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CVSS v3.1 Score

4.9
MEDIUM
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor Product
quasar qmarkdown

References

Frequently Asked Questions

What is CVE-2025-43954? +
QMarkdown (aka quasar-ui-qmarkdown) before 2.0.5 allows XSS via headers even when when no-html is set. It has a CVSS v3.1 base score of 4.9 (MEDIUM).
How severe is CVE-2025-43954? +
CVE-2025-43954 has a CVSS v3.1 score of 4.9 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2025-43954? +
CVE-2025-43954 affects products from quasar, specifically: qmarkdown. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-43954? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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