Stop Spammers Security | Block Spam Users, Comments, Forms: Code execution
Stop Spammers Security | Block Spam Users, Comments, Forms is affected by code execution. Exposure depends on how the affected operation is made reachable by the site. Successful exploitation can run attacker-controlled code in the WordPress hosting account.
- Component
- Stop Spammers Security | Block Spam Users, Comments, Forms
- Plugin slug
stop-spammers- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Dec 26, 2022
- Weakness
- Not assigned
This CVE was published Dec 26, 2022 and is one of 5 known issues for this plugin.
Update, patch or deactivate.
Update Stop Spammers Security | Block Spam Users, Comments, Forms to a release outside the affected range, or disable and remove it until a fixed version is available.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical 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
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H