CVE intelligence and bounded remediation

CVE-2020-6845 — An issue was discovered in TopManage OLK 2020

Medium CVSS 6.1

An issue was discovered in TopManage OLK 2020. As there is no ReadOnly on the Session cookie, the user and admin accounts can be taken over in a DOM-Based XSS attack.

Severity
Medium
CVSS
6.1 (3.1)
Published
2020-02-18
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-79

Affected products

  • topmanage / olk_webstore / 2020

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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