CVE-2019-25225

Description

`sanitize-html` prior to version 2.0.0-beta is vulnerable to Cross-site Scripting (XSS). The `sanitizeHtml()` function in `index.js` does not sanitize content when using the custom `transformTags` option, which is intended to convert attribute values into text. As a result, malicious input can be transformed into executable code.

PUBLISHED Reserved 2025-09-05 | Published 2025-09-08 | Updated 2025-09-08 | Assigner Checkmarx

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Product status

References

github.com/apostrophecms/sanitize-html/issues/293 issue-tracking

github.com/apostrophecms/sanitize-html/pull/156

github.com/...ommit/712cb6895825c8bb6ede71a16b42bade42abcaf3 patch

github.com/...roofs-of-Concept/tree/main/2019/CVE-2019-25225 exploit

cve.org (CVE-2019-25225)

nvd.nist.gov (CVE-2019-25225)

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