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CVE-2021-24577

Coming Soon and Maintenance Mode < 3.5.3 - Authenticated Stored XSS

MEDIUM
5.4
CVSS Score
Published: October 11, 2021 at 10:45 AM UTC
Updated: June 17, 2026 at 03:40 AM UTC
1 product affected across 1 vendorComing soon and Maintenance mode

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.6%

Description

The Coming soon and Maintenance mode WordPress plugin before 3.5.3 does not properly sanitize inputs submitted by authenticated users when setting adding or modifying coming soon or maintenance mode pages, leading to stored XSS.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Coming soon and Maintenance mode· Wpdevartwordpress-plugin
95%
v < 3.5.3
Affected range stops below 3.5.3, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

x_refsource_MISCExploitThird Party Advisory
Source: [email protected]
https://wpscan.com/vulnerability/d453b547-41a8-4a6b-8349-8686b7054805

CVSS

5.4MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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