Medium severity · published Nov 6, 2023
CVE-2023-5228
User Registration < 3.0.4.2 - Admin+ Stored XSS
4.8
CVSS
0.6%
EPSS
No
On KEV
Description
The User Registration WordPress plugin before 3.0.4.2 does not sanitize and escape some of its settings, which could allow high-privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in 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)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
UR
User Registration ·
before 3.0.4.2 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-5228
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-5228
Exploit
https://wpscan.com/vulnerability/50ae7008-46f0-4f89-ae98-65dcabe4ef09
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