What is CVE-2020-9468?

CVE-2020-9468 is a medium-severity vulnerability in Piwigo, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2020-03-26.

How severe is CVE-2020-9468?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Auth bypass in Piwigo

CVE-2020-9468

The Community plugin 2.9.e-beta for Piwigo allows users to set image information on images in albums for which they do not have permission, by manipulating the image_id parameter.

Vulnerability class: IDOR (Insecure Direct Object Reference)

Published 2020-03-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.006 (45.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 46th percentile — 45.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Piwigo — versions 2.9.0

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

piwigo.org/ext/extension_view.php (Release Notes)
github.com/plegall/Piwigo-community/issues/49 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2020-9468?: CVE-2020-9468 is a medium-severity vulnerability in Piwigo, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 4.3/10. Published 2020-03-26.
How severe is CVE-2020-9468?: Medium severity. CVSS v3 base score is 4.3 out of 10.