CVE-2019-25225
- State
- Published
- Severity
- 6.1 Medium
- Published
- Sep 8, 2025
- Updated
- Sep 8, 2025
- Reserved
- Sep 5, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 6.1 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N | Checkmarx |
Weaknesses
- CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Affected Products
| Product | Versions |
|---|---|
sanitize-html |
|
References
- https://github.com/apostrophecms/sanitize-html/issues/293issue-tracking
- https://github.com/apostrophecms/sanitize-html/pull/156
- https://github.com/apostrophecms/sanitize-html/commit/712cb6895825c8bb6ede71a16b42bade42abcaf3patch
- https://github.com/Checkmarx/Vulnerabilities-Proofs-of-Concept/tree/main/2019/CVE-2019-25225exploit
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