What is CVE-2023-0947?

CVE-2023-0947 is a critical-severity vulnerability in Flatpress, classified under Path Traversal. CVSS score: 9.8/10. Published 2023-02-22.

How severe is CVE-2023-0947?

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

Path Traversal in Flatpress

CVE-2023-0947

Path Traversal in GitHub repository flatpressblog/flatpress prior to 1.3.

Vulnerability class: Path Traversal (Directory Traversal)

Published 2023-02-22 · 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: 0.036 (89.2th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 89.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.036 · newest: 0.036 · change: 0.000

Affected products

Flatpress
Flatpressblog Flatpressblog/flatpress — versions unspecified

Weakness classification (CWE)

CWE-22 — Path Traversal

References

huntr.dev/bounties/7379d702-72ff-4a5d-bc68-007290015496 (Exploit, Third Party Advisory)
github.com/flatpressblog/flatpress/commit/9c4e5d6567e446c472f3adae3b2fe612f6687… (Patch)

Frequently asked questions

What is CVE-2023-0947?: CVE-2023-0947 is a critical-severity vulnerability in Flatpress, classified under Path Traversal. CVSS score: 9.8/10. Published 2023-02-22.
How severe is CVE-2023-0947?: Critical severity. CVSS v3 base score is 9.8 out of 10.