CVE-2022-47409

An issue was discovered in the fp_newsletter (aka Newsletter subscriber management) extension before 1.1.1, 1.2.0, 2.x before 2.1.2, 2.2.1 through 2.4.0, and…

Critical · published December 14, 2022

CVSS v3.1
9.1
EPSS
1%
Percentile
50.0
In the wild
Unconfirmed
What it is

🚨 A single sneaky operation can unsubscribe your entire newsletter list! That's right—this TYPO3 vulnerability lets attackers wipe out subscribers like an errant email from your inbox. 🔥 Think of it like a restaurant manager accidentally giving a new server the authority to cancel all reservations. One wrong move, and every table is empty when the dinner rush begins! With this vulnerability, an attacker can execute a series of modifications that result in the mass unsubscription of all users. This could lead to devastating loss of contact with your audience, ruining campaigns and potentially harming your reputation. Just imagine your loyal subscribers suddenly gone, leaving you in the dark!

Put simply

Think of it like a restaurant manager accidentally giving a new server the authority to cancel all reservations. One wrong move, and every table is empty when the dinner rush begins! This flaw in the fp_newsletter extension allows attackers to manipulate subscription UIDs during deleteAction operations, effectively unsubscribing all users without proper authorization checks.

What to do

With this vulnerability, an attacker can execute a series of modifications that result in the mass unsubscription of all users. This could lead to devastating loss of contact with your audience, ruining campaigns and potentially harming your reputation. Just imagine your loyal subscribers suddenly gone, leaving you in the dark! Immediately upgrade to versions 1.1.1, 1.2.0, 2.1.2, 2.4.1, or 3.2.6 and review your authorization processes for subscription management. Ensuring that only the right people have the power to make changes is crucial to avoiding this issue. You've got this! By following these steps, you can keep your subscribers safe and your campaigns running smoothly. 🛡️

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AC:L/AV:N/A:N/C:H/I:H/PR:N/S:U/UI:N
CVSS v4.0
Not supplied
EPSS
0.00640 · 50.0th percentile
Published
2022-12-14T00:00Z
EPSS history
Timeline
  • 14 DEC 00:00Z
    An issue was discovered in the fp_newsletter (aka Newsletter subscriber management) extension before 1.1.1, 1.2.0, 2.x before 2.1.2, 2.2.1 through 2.4.0, and…
    cvelistv5