What is CVE-2023-29721?

CVE-2023-29721 is a critical-severity vulnerability in Sofawiki Project, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2023-05-24.

How severe is CVE-2023-29721?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Arbitrary file upload in Sofawiki Project

CVE-2023-29721

SofaWiki <= 3.8.9 has a file upload vulnerability that leads to command execution.

Vulnerability class: Unrestricted File Upload

Published 2023-05-24 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (65.6th percentile), scored 2026-10-08.

Low probability of exploitation in the next 30 days, but still tracked. 66th percentile — 65.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Sofawiki Project

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

github.com/bellenuit/sofawiki/issues/27 (Exploit, Patch, Third Party Advisory, Issue Tracking)
github.com/xul18/Showcase/issues/2 (Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2023-29721?: CVE-2023-29721 is a critical-severity vulnerability in Sofawiki Project, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2023-05-24.
How severe is CVE-2023-29721?: Critical severity. CVSS v3 base score is 9.8 out of 10.