What is CVE-2023-50982?

CVE-2023-50982 is a critical-severity vulnerability in Studip Stud.ip, classified under Cross-site Scripting. CVSS score: 9.0/10. Published 2024-01-08.

How severe is CVE-2023-50982?

Critical severity. CVSS v3 base score is 9.0 out of 10.

Is CVE-2023-50982 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Studip Stud.ip

CVE-2023-50982

Stud.IP 5.x through 5.3.3 allows XSS with resultant upload of executable files, because upload_action and edit_action in Admin_SmileysController do not check the file extension. This leads to remote code execution with the privileges of the www-data user. The fixed versions are 5.3.4, 5.2.6, 5.1.7, and 5.0.9.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2024-01-08 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.013 (69.1th percentile), scored 2026-10-03.

Low probability of exploitation in the next 30 days, but still tracked. 69th percentile — 69.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.013 · newest: 0.013 · change: 0.000

Affected products

Studip Stud.ip

Weakness classification (CWE)

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

sourceforge.net/projects/studip/files/Stud.IP/5.4/ (Product)
gitlab.studip.de/studip/studip/-/tags (Product)
rehmeinfosec.de/labor/cve-2023-50982 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-50982?: CVE-2023-50982 is a critical-severity vulnerability in Studip Stud.ip, classified under Cross-site Scripting. CVSS score: 9.0/10. Published 2024-01-08.
How severe is CVE-2023-50982?: Critical severity. CVSS v3 base score is 9.0 out of 10.
Is CVE-2023-50982 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.