CVE-2022-1756: The Newsletter WordPress plugin before 7.4.5 does not sanitize and escape the $_SERVER['REQUEST_URI'] before echoing it back in admin pages. Although this uses…

PriorityP335medium6.1CVSS 3.1

AVNACLPRNUIRSCCLILAN

EXPLOIT

EPSS

1.79%

75.5th percentile

The Newsletter WordPress plugin before 7.4.5 does not sanitize and escape the $_SERVER['REQUEST_URI'] before echoing it back in admin pages. Although this uses addslashes, and most modern browsers automatically URLEncode requests, this is still vulnerable to Reflected XSS in older browsers such as Internet Explorer 9 or below.

Affected

1 ranges

Vendor	Product	Version range	Fixed in
thenewsletterplugin	newsletter	< 7.4.5	7.4.5

CVSS provenance

nvdv3.16.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:P/A:N

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