CVE-2021-24347

CVE-2021-24347 is a high-severity vulnerability in Smartypantsplugins Sp Project & Document Manager with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 52% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-178.

Key facts

Description

The SP Project & Document Manager WordPress plugin before 4.22 allows users to upload files, however, the plugin attempts to prevent php and other similar files that could be executed on the server from being uploaded by checking the file extension. It was discovered that php files could still be uploaded by changing the file extension's case, for example, from "php" to "pHP".

Frequently asked questions

What is CVE-2021-24347?
The SP Project & Document Manager WordPress plugin before 4.22 allows users to upload files, however, the plugin attempts to prevent php and other similar files that could be executed on the server from being uploaded by checking the file extension. It was discovered that php files could still be uploaded by changing the file extension's case, for example, from "php" to "pHP".
How severe is CVE-2021-24347?
CVE-2021-24347 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-24347 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 52% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-24347?
CVE-2021-24347 affects Smartypantsplugins Sp Project & Document Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-24347?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-24347 published?
CVE-2021-24347 was published on 2021-06-14 and last updated on 2026-06-17.

References

Affected products (1)

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