CVE-2020-11807

7.8 highEPSS 0.7%

High (7.8) in sourcefabric newscoop. EPSS 0.7% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.8 high

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 51% of CVEs (scores of 2026-10-31)
CWE: CWE-434
Published: 2020-05-19
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

sourcefabric:newscoop

References

https://gist.github.com/V-Rico/82e9e52ac451dc20eef87b0999b3b1ee
https://github.com/sourcefabric/Newscoop/blob/3df835637609a5a42530b2a4611177c634ad6274/newscoop/library/Newscoop/Image/ImageService.php#L226
https://gist.github.com/V-Rico/82e9e52ac451dc20eef87b0999b3b1ee
https://github.com/sourcefabric/Newscoop/blob/3df835637609a5a42530b2a4611177c634ad6274/newscoop/library/Newscoop/Image/ImageService.php#L226

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