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CVE-2022-4120

Stop Spammers Security < 2022.6 - Unauthenticated PHP Object Injection

CVSS 9.8 CRITICALEPSS 18.1%
Vexday Risk Score
53Attention
SSVC decision (CISA)
Attend
PoC available → attend closely
CVSS 9.8EPSS 18.1%KEV nãoPoC públicaNuclei Metasploit Patch
Lifecycle
26 Dec 2022Published on NVD
Recommendation: Plan a near-term fix — a public PoC already exists.
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
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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