9.1

CVE-2018-20156: designmodo wp_maintenance_mode Improper Input Validation

CVSS: 9.1v3.1CriticalModified
Published 14-12-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-20156 is a critical (CVSS 9.1) Improper Input Validation vulnerability in designmodo wp_maintenance_mode. EPSS estimates a 1.51% chance of exploitation in the next 30 days, higher than 74% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.1/10
010
Critical · v3.1 (wordfence)
EPSS score
1.51%
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. 14-12-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

The WP Maintenance Mode plugin before 2.0.7 for WordPress allows remote authenticated "site administrator" users to execute arbitrary PHP code throughout a multisite network.

CVSS metrics

3 scores · 2 sources · 3 versions

EPSS trend

Probability

1.51%

Chance of exploitation in the next 30 days

Percentile

74%

Versus all other CVEs

30-day change

0.00 pp

From 1.51% on 20-09-2026

20-09-202620-10-2026
EPSS score
1.51%

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

Designmodo1 product
Wordpress1 product
  • wp-maintenance-mode< 2.0.7

2 vendors · 2 products

References

2 links