CVEvulnerability
CVE-2020-11807
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-05-19
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
- Weaknesses
- CWE-434
Description
Because of Unrestricted Upload of a File with a Dangerous Type, Sourcefabric Newscoop 4.4.7 allows an authenticated user to execute arbitrary PHP code (and sometimes terminal commands) on a server by making an avatar update and then visiting the avatar file under the /images/ path.
Affected configurations
• sourcefabric newscoop 4.4.7
Related
Weakness · CWE (1)
- CWE-434 Unrestricted Upload of File with Dangerous Type weakness
References
- https://gist.github.com/V-Rico/82e9e52ac451dc20eef87b0999b3b1ee Exploit, Third Party Advisory
- https://github.com/sourcefabric/Newscoop/blob/3df835637609a5a42530b2a4611177c634ad6274/newscoop/library/Newscoop/Image/ImageService.php#L226 Patch, Third Party Advisory
- https://gist.github.com/V-Rico/82e9e52ac451dc20eef87b0999b3b1ee Exploit, Third Party Advisory
- https://github.com/sourcefabric/Newscoop/blob/3df835637609a5a42530b2a4611177c634ad6274/newscoop/library/Newscoop/Image/ImageService.php#L226 Patch, Third Party Advisory