Description

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.

Classification

CVE ID: CVE-2024-21501

CVSS Base Severity: MEDIUM

CVSS Base Score: 5.3

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N/E:P

Affected Products

Vendor: n/a

Product: sanitize-html

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.04% (probability of being exploited)

EPSS Percentile: 15.83% (scored less or equal to compared to others)

EPSS Date: 2025-03-14 (when was this score calculated)

References

https://security.snyk.io/vuln/SNYK-JS-SANITIZEHTML-6256334
https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-6276557
https://gist.github.com/Slonser/8b4d061abe6ee1b2e10c7242987674cf
https://github.com/apostrophecms/sanitize-html/pull/650
https://github.com/apostrophecms/apostrophe/discussions/4436
https://github.com/apostrophecms/sanitize-html/commit/c5dbdf77fe8b836d3bf4554ea39edb45281ec0b4
https://lists.fedoraproject.org/archives/list/[email protected]/message/P4I5X6V3LYUNBMZ5YOW4BV427TH3IK4S/
https://lists.fedoraproject.org/archives/list/[email protected]/message/4EB5JPYRCTS64EA5AMV3INHDPI6I4AW7/

Timeline