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CVE PROGRAM SOURCE RECORDUnscored

CVE-2020-26956

In some cases, removing HTML elements during sanitization would keep existing SVG event handlers and therefore lead to XSS. This vulnerability affects Firefox < 83, Firefox ESR < 7

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Status
Published
Published
Updated
Assigning organization
mozilla

Description

In some cases, removing HTML elements during sanitization would keep existing SVG event handlers and therefore lead to XSS. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Mozilla Firefox

  • < 83affected

Mozilla Firefox ESR

  • < 78.5affected

Mozilla Thunderbird

  • < 78.5affected

References