10

CVE-2023-23656: mainwp mainwp file uploader extension

CVSS: 10.0v3.1CriticalDeferred
Published 26-03-2024Last modified 28-04-2026
Open JSON

Vulnerability summary

CVE-2023-23656 is a critical (CVSS 10.0) vulnerability in mainwp mainwp file uploader extension. EPSS estimates a 0.81% chance of exploitation in the next 30 days, higher than 56.1% of scored vulnerabilities. Fixed in 4.1.1.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
10.0/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.81%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 26-03-2024
    PublishedVulnerability first disclosed.
  2. 28-04-2026
    Last modifiedVulnerability information updated.

Description

Unrestricted Upload of File with Dangerous Type vulnerability in MainWP MainWP File Uploader Extension.This issue affects MainWP File Uploader Extension: from n/a through 4.1.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.81%

Chance of exploitation in the next 30 days

Percentile

56%

Versus all other CVEs

30-day change

0.00 pp

From 0.81% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.81%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Mainwp1 product
Wordpress1 product
  • mainwp-file-uploader-extension≤ 4.1 (fixed in 4.1.1)

2 vendors · 2 products

References

2 links