Medium severity · published Oct 31, 2023
CVE-2023-4390
Popup box < 3.7.2 - Admin+ Stored Cross-Site Scripting
4.8
CVSS
0.4%
EPSS
No
On KEV
Description
The Popup box WordPress plugin before 3.7.2 does not sanitize and escape some Popup fields, which could allow high-privilege users such as an administrator to inject arbitrary web scripts even when the unfiltered_html capability is disallowed (for example in a multisite setup).
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)0.4% · higher than 34% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PB
Popup box ·
before 3.7.2 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-4390
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-4390
Exploit
https://wpscan.com/vulnerability/9fd2eb81-185d-4d42-8acf-925664b7cb2f
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