CVE-2023-45603: WordPress User Submitted Posts Plugin <= 20230902 is vulnerable to Arbitrary File Upload

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-12-20 · updated 2026-06-17
Weakness: CWE-434

Description

Unrestricted Upload of File with Dangerous Type vulnerability in Jeff Starr User Submitted Posts – Enable Users to Submit Posts from the Front End.This issue affects User Submitted Posts – Enable Users to Submit Posts from the Front End: from n/a through 20230902.

Affected products

specialk User Submitted Posts – Enable Users to Submit Posts from the Front End: through 20230902

References

https://patchstack.com/database/vulnerability/user-submitted-posts/wordpress-user-submitted-posts-plugin-20230902-unauthenticated-arbitrary-file-upload-vulnerability?_s_id=cve
https://patchstack.com/database/vulnerability/user-submitted-posts/wordpress-user-submitted-posts-plugin-20230902-unauthenticated-arbitrary-file-upload-vulnerability?_s_id=cve

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