PT-2021-16093 · WordPress · Coming Soon/Maintenance Mode Wordpress Plugin

Asif Nawaz Minhas · Published 2021-10-11 · Updated 2021-10-15 · CVE-2021-24577

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Coming soon and Maintenance mode WordPress plugin versions prior to 3.5.3

Description The issue arises from the plugin's failure to properly sanitize inputs submitted by authenticated users when setting, adding, or modifying coming soon or maintenance mode pages. This leads to stored XSS.

Recommendations For versions prior to 3.5.3, update to version 3.5.3 or later to resolve the issue. As a temporary workaround, consider restricting access to the page editing functionality for authenticated users until the update is applied.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-24577

Affected Products

Coming Soon/Maintenance Mode Wordpress Plugin

References · 5

• 🔥 https://wpscan.com/vulnerability/d453b547-41a8-4a6b-8349-8686b7054805 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-24577 · Security Note
• https://osv.dev/vulnerability/CVE-2021-24577 · Vendor Advisory
• https://t.me/cvenotify/22269 · Telegram Post
• https://t.me/cibsecurity/30318 · Telegram Post