Medium severity · published Oct 11, 2021
CVE-2021-24577
Coming Soon and Maintenance Mode < 3.5.3 - Authenticated Stored XSS
5.4
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 50% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CS
Coming soon and Maintenance mode ·
3.5.3 before 3.5.3 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-24577
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-24577
Exploit
https://wpscan.com/vulnerability/d453b547-41a8-4a6b-8349-8686b7054805
More from Coming soon and Maintenance mode
4.3
CVE-2022-0199
Coming soon and Maintenance mode < 3.6.8 - Arbitrary Email Sending to Subscribed Users via CSRF
4.3
CVE-2022-0164
Coming soon and Maintenance mode < 3.6.7 - Subscriber+ Arbitrary Email Sending to Subscribed Users