Information disclosure in Smart Post

CVE-2026-78149

The Smart Post WordPress plugin before 4.0.8 does not check whether a post is password protected before returning its content and its stored password through an unauthenticated AJAX action, allowing unauthenticated users to read protected post content and the password that guards it.

Vulnerability class: Information Disclosure

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (26.5th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 26.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-78149: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.001

Affected products

  • Smart Post

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-78149?
CVE-2026-78149 is a medium-severity vulnerability in Smart Post, classified under Information Disclosure. CVSS score: 5.3/10. Published 2026-09-05.
How severe is CVE-2026-78149?
Medium severity. CVSS v3 base score is 5.3 out of 10.