5.3

CVE-2026-78149: unknown smart post

CVSS: 5.3v3.1MediumDeferred
Published 05-09-2026Last modified 06-09-2026
Open JSON

Vulnerability summary

CVE-2026-78149 is a medium (CVSS 5.3) vulnerability in unknown smart post. EPSS estimates a 0.34% chance of exploitation in the next 30 days, higher than 26.6% of scored vulnerabilities. 1 public exploit is recorded. Fixed in 4.0.8.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.34%
0%100%
Low · +0.09 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 05-09-2026
    PublishedVulnerability first disclosed.
  2. 06-09-2026
    Last modifiedVulnerability information updated.

Description

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.34%

Chance of exploitation in the next 30 days

Percentile

27%

Versus all other CVEs

30-day change

+0.09 pp

From 0.25% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.34%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (wpscan.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Unknown1 product
Wordpress1 product
  • post-carousel≥ 4.0.0, ≤ 4.0.7 (fixed in 4.0.8)

2 vendors · 2 products

References

2 links