neos/neos-development-collection · Security
Neos CMS Cross Site Scripting vulnerability
- GHSA ID
- GHSA-6qjf-7g3j-qx25
- CVE ID
- CVE-2023-37611
- Severity
- medium
- Published
- Updated
- CVSS
- 5.4 · CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
- CVSS v3
- 5.4 · CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Description
Cross Site Scripting (XSS) vulnerability in Neos CMS 8.3.3 allows a remote authenticated attacker to execute arbitrary code via a crafted SVG file uploaded to the neos/management/media component. To make use of this attack vector, the attacker must either be able to upload a maliciously crafted file or coerce someone with the needed access to upload said file to Neos. Even if such a file is uploaded and subsequently delivered, it is possible to use CSP to protect against attacks being executed from such a file.
CWEs
- CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
References
- https://nvd.nist.gov/vuln/detail/CVE-2023-37611 ↗
- https://rodelllemit.medium.com/stored-xss-in-neo-cms-8-3-3-9bd1cb973c5b ↗
- https://github.com/neos/neos-ui/releases/tag/8.3.4 ↗
- https://cheatsheetseries.owasp.org/cheatsheets/Content_Security_Policy_Cheat_Sheet.html ↗
- https://digi.ninja/blog/svg_xss.php ↗
- https://github.com/neos/neos-development-collection/issues/4833 ↗
- https://github.com/neos/neos-development-collection/pull/4812 ↗
- https://github.com/neos/neos-development-collection/commit/4ac0df04d2e44e164e95887b466075dde3f04045 ↗
- https://github.com/advisories/GHSA-6qjf-7g3j-qx25 ↗