sanitize-html Information Exposure vulnerability
Versions of the package sanitize-html before 2.12.1 are vulnerable to Information Exposure when used on the backend and with the style attribute allowed, allowing enumeration of files in the system (including project dependencies). An attacker could exploit this vulnerability to gather details about the file system structure and dependencies of the targeted server.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| npm package | sanitize-html | < 2.12.1 | 2.12.1 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2024-21501
- https://github.com/apostrophecms/sanitize-html/pull/650
- https://github.com/apostrophecms/sanitize-html/commit/c5dbdf77fe8b836d3bf4554ea39edb45281ec0b4
- https://gist.github.com/Slonser/8b4d061abe6ee1b2e10c7242987674cf
- https://github.com/apostrophecms/apostrophe/discussions/4436
- https://github.com/apostrophecms/sanitize-html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4EB5JPYRCTS64EA5AMV3INHDPI6I4AW7
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/P4I5X6V3LYUNBMZ5YOW4BV427TH3IK4S
- https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-6276557
- https://security.snyk.io/vuln/SNYK-JS-SANITIZEHTML-6256334
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N- Weakness (CWE)
CWE-200, CWE-538- Platform
- npm
- Package
sanitize-html- Disclosed
- 24.02.2024
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-rm97-x556-q36h - CC BY 4.0
Vulnerability history: sanitize-html
All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 15
- First → latest
- 11.2018 10.2026
- Without a fix
- 0
- Exploited in attacks
- 0
Severity breakdown
- Critical 1
- High 1
- Medium 12
- Low 1
Disclosures per year
- 2018: 2
- 2019: 0
- 2020: 1
- 2021: 2
- 2022: 1
- 2023: 0
- 2024: 1
- 2025: 1
- 2026: 7
-
sanitize-html Information Exposure vulnerability this entry
Know which vulnerabilities affect your application
With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.