CVE intelligence and bounded remediation

CVE-2009-10001 — A vulnerability classified as problematic was found in jianlinwei cool-php-captcha up to 0.2

Medium CVSS 6.1

A vulnerability classified as problematic was found in jianlinwei cool-php-captcha up to 0.2. This vulnerability affects unknown code of the file example-form.php. The manipulation of the argument captcha with the input %3Cscript%3Ealert(1)%3C/script%3E leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 0.3 is able to address this issue. The name of the patch is c84fb6b153bebaf228feee0cbf50728d27ae3f80. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-218296.

Severity
Medium
CVSS
6.1 (3.1)
Published
2023-01-13
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-79

Affected products

  • cool-php-captcha_project / cool-php-captcha

Matched remediation archetype

Cross-site scripting and unsafe browser output

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Check exposure

  • Trace reflected, stored, and DOM-derived untrusted values into HTML, attributes, URLs, styles, scripts, and client-side template sinks.
  • Identify affected origins, authenticated user roles, sensitive browser capabilities, and where content is shared across tenants.
  • Review framework escaping, rich-text sanitization, legacy templates, and client-side rendering paths.

Remediate safely

  • Use context-aware framework output encoding and safe DOM APIs; keep untrusted data out of executable contexts.
  • Sanitize intentionally supported markup with a maintained allowlist policy and validate URLs and attributes separately.
  • Update affected rendering components and add tests for every output context using inert sentinel markup.

Authoritative sources

Complete CVE record and remediation plan

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