PT-2025-17414 · Markdown · Qmarkdown

Hawkeye64 · Published 2025-04-20 · Updated 2025-04-20 · CVE-2025-43954

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions QMarkdown (aka quasar-ui-qmarkdown) versions prior to 2.0.5

Description The issue allows for XSS via headers, even when the no-html option is set. This could potentially lead to malicious script execution.

Recommendations For versions prior to 2.0.5, update to version 2.0.5 or later to resolve the issue. As a temporary workaround, consider disabling the use of headers in QMarkdown until a patch is available. Restrict access to QMarkdown to minimize the risk of exploitation. Avoid using QMarkdown with the no-html option set until the issue is resolved.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-43954

GHSA-WM65-PH3W-587C

Affected Products

Qmarkdown

References · 11

• https://github.com/quasarframework/quasar-ui-qmarkdown/compare/v2.0.4...v2.0.5 · Patch
• https://github.com/quasarframework/quasar-ui-qmarkdown/commit/b61dff84851c45369cf931db5bd93db177c657f6 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2025-43954 · Security Note
• https://osv.dev/vulnerability/CVE-2025-43954 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-wm65-ph3w-587c · Vendor Advisory
• https://github.com/quasarframework/quasar-ui-qmarkdown · Note
• https://t.me/cvetracker/22026 · Telegram Post
• https://twitter.com/CVEnew/status/1914029845425643865 · Twitter Post
• https://twitter.com/centry_agent/status/1914045032258289996 · Twitter Post
• https://t.me/cvedetector/23418 · Telegram Post
• https://t.me/cvenotify/119095 · Telegram Post