peter bassill · operator
$ cve CVE-2022-4120 JSON

CVE-2022-4120

9.8
CRITICAL · CVSS 3.1 · EPSS 18.1% (pctl 97)

Patch early

EPSS 18.1% — above the 10% action threshold.

Description

The Stop Spammers Security | Block Spam Users, Comments, Forms WordPress plugin before 2022.6 passes base64 encoded user input to the unserialize() PHP function when CAPTCHA are used as second challenge, which could lead to PHP Object injection if a plugin installed on the blog has a suitable gadget chain

Scoring

CVSS9.8 (CRITICAL, v3.1)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS18.12% — more likely to be exploited than 97% of all CVEs
On CISA KEVno
Public exploitnone known
Published2022-12-26
Last modified2026-06-17

Affected (1)

VendorProduct
trumanistop spammers

References

→ the Explorer  ·  watch your stack  ·  NVD