CVE-2007-5596

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-10-19 · updated 2026-06-16
Weakness: CWE-79

Description

The core Upload module in Drupal 4.7.x before 4.7.8 and 5.x before 5.3 places the .html extension on a whitelist, which allows remote attackers to conduct cross-site scripting (XSS) attacks by uploading .html files.

Affected products

Drupal: from 4.7.0 before 4.7.8; from 5.0 before 5.3 — fixed in 4.7.8, 5.3

How to fix

Upgrade to a fixed version: Drupal 4.7.8, 5.3. Check the vendor advisory for mitigations.

References

http://drupal.org/node/184320
http://secunia.com/advisories/27292
http://secunia.com/advisories/27352
http://www.securityfocus.com/bid/26119
http://www.vupen.com/english/advisories/2007/3546
https://exchange.xforce.ibmcloud.com/vulnerabilities/37274
https://www.redhat.com/archives/fedora-package-announce/2007-October/msg00328.html
http://drupal.org/node/184320
http://secunia.com/advisories/27292
http://secunia.com/advisories/27352
http://www.securityfocus.com/bid/26119
http://www.vupen.com/english/advisories/2007/3546

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