microcosm-cc/bluemonday · Security
Cross-site scripting in bluemonday
- GHSA ID
- GHSA-3x58-xr87-2fcj
- CVE ID
- CVE-2021-29272
- Severity
- medium
- Published
- Updated
- CVSS
- 6.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- CVSS v3
- 6.1 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Description
bluemonday before 1.0.5 allows XSS because certain Go lowercasing converts an uppercase Cyrillic character, defeating a protection mechanism against the "script" string.
CWEs
- CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References
- https://nvd.nist.gov/vuln/detail/CVE-2021-29272 ↗
- https://github.com/microcosm-cc/bluemonday/issues/111 ↗
- https://github.com/microcosm-cc/bluemonday/commit/524f142fe46e945b7dcd291d7805c4b7dcf75bee ↗
- https://github.com/microcosm-cc/bluemonday/releases/tag/v1.0.5 ↗
- https://vuln.ryotak.me/advisories/4 ↗
- https://vuln.ryotak.me/advisories/4.txt ↗
- https://pkg.go.dev/vuln/GO-2022-0762 ↗
- https://github.com/advisories/GHSA-3x58-xr87-2fcj ↗