Medium severity · published Aug 2, 2021
CVE-2021-24425
myStickymenu < 2.5.2 - Authenticated Stored XSS
4.8
CVSS
0.6%
EPSS
No
On KEV
Description
The Floating Notification Bar, Sticky Menu on Scroll, and Sticky Header for Any Theme – myStickymenu WordPress plugin before 2.5.2 does not sanitise or escape its Bar Text settings, allowing hight privilege users to use malicious JavaScript in it, leading to a Stored Cross-Site Scripting issue, which will be triggered in the plugin's setting, as well as all front-page of the blog (when the Welcome bar is active)
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
High
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
FN
Floating Notification Bar, Sticky Menu on Scroll, and Sticky Header for Any Theme – myStickymenu ·
2.5.2 before 2.5.2 · source: vendor
MY
Mystickymenu · Premio
before 2.5.2 · source: NVD
Affected product
FN
Floating Notification Bar, Sticky Menu on Scroll, and Sticky Header for Any Theme – myStickymenu
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-24425
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-24425
m0ze.ru
https://m0ze.ru/vulnerability/%5B2021-05-21%5D-%5BWordPress%5D-%5BCWE-79%5D-MyStickymenu-WordPress-Plugin-v2.5.1.txt
Exploit
https://wpscan.com/vulnerability/14632fa8-597e-49ff-8583-9797208a3583
