CVE intelligence and bounded remediation

CVE-2017-20191 — A vulnerability was found in Zimbra zm-admin-ajax up to 8.8.1

Medium CVSS 4

A vulnerability was found in Zimbra zm-admin-ajax up to 8.8.1. It has been classified as problematic. This affects the function XFormItem.prototype.setError of the file WebRoot/js/ajax/dwt/xforms/XFormItem.js of the component Form Textbox Field Error Handler. The manipulation of the argument message leads to cross site scripting. It is possible to initiate the attack remotely. Upgrading to version 8.8.2 is able to address this issue. The identifier of the patch is bb240ce0c71c01caabaa43eed30c78ba8d7d3591. It is recommended to upgrade the affected component. The identifier VDB-258621 was assigned to this vulnerability.

Severity
Medium
CVSS
4 (2.0)
Published
2024-03-31
CISA KEV
Not currently listed
Ecosystem
software/application
Weaknesses
CWE-79

Affected products

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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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