What is CVE-2022-46890?

CVE-2022-46890 is a medium-severity vulnerability in Nexusphp, classified under Improper Access Control. CVSS score: 4.3/10. Published 2023-01-19.

How severe is CVE-2022-46890?

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

Vulnerability in Nexusphp

CVE-2022-46890

Weak access control in NexusPHP before 1.7.33 allows a remote authenticated user to edit any post in the forum (this is caused by a lack of checks performed by the /forums.php?action=post page).

Published 2023-01-19 · 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 (48.4th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.4% 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

Nexusphp

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

github.com/xiaomlove/nexusphp/releases/tag/v1.7.33 (Third Party Advisory, Release Notes)
www.surecloud.com/resources/blog/nexusphp-surecloud-security-review-identifies-… (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-46890?: CVE-2022-46890 is a medium-severity vulnerability in Nexusphp, classified under Improper Access Control. CVSS score: 4.3/10. Published 2023-01-19.
How severe is CVE-2022-46890?: Medium severity. CVSS v3 base score is 4.3 out of 10.