CVE-2009-3437
Cross-site scripting (XSS) vulnerability in the live preview feature in the Markdown Preview...
Cross-site scripting (XSS) vulnerability in the live preview feature in the Markdown Preview module 6.x for Drupal allows remote attackers to inject arbitrary web script or HTML via "Markdown input."
Exploit likelihood
What each source reports
NVD Score used
Cross-site scripting (XSS) vulnerability in the live preview feature in the Markdown Preview module 6.x for Drupal allows remote attackers to inject arbitrary web script or HTML via "Markdown input."
- Record
CVE-2009-3437- CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
Cross-site scripting (XSS) vulnerability in the live preview feature in the Markdown Preview module 6.x for Drupal allows remote attackers to inject arbitrary web script or HTML via "Markdown input."
- Record
CVE-2009-3437- Updated
- 2026-11-02
EUVDEUVD-2009-3419 No score
Cross-site scripting (XSS) vulnerability in the live preview feature in the Markdown Preview module 6.x for Drupal allows remote attackers to inject arbitrary web script or HTML via "Markdown input."
- Record
EUVD-2009-3419- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-rvcc-mqg5-gqq5 No score
Cross-site scripting (XSS) vulnerability in the live preview feature in the Markdown Preview...
Cross-site scripting (XSS) vulnerability in the live preview feature in the Markdown Preview module 6.x for Drupal allows remote attackers to inject arbitrary web script or HTML via "Markdown input."
- Record
GHSA-rvcc-mqg5-gqq5- Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-3437 is a medium vulnerability (CVSS 4.3) in Henriksjokvist Markdown Preview, published September 28, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.84%, the 58th percentile. No source names a fixed version.