Multiple vulnerabilities in extension "Newsletter subscriber management" (fp_newsletter)

2022-12-1421:30:16

Google

osv.dev

extension

captcha

automated creation

uids

insufficient access checks

data theft

9.1 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

9.2 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

50.6%

JSON

The CAPTCHA of the extension can be bypassed which may result in automated creation of various newsletter subscribers. It is possible to provide arbitrary subscription UIDs to the deleteAction of the extension resulting in all newsletter subscribers to be unsubscribed. Insufficient access checks in the createAction and unsubscribeAction can be used to obtain data of existing newsletter subscribers.