CVE-2020-36849

CVE-2020-36849 is a critical-severity vulnerability in Ait-themes Csv Import / Export with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-434.

Key facts

Description

The AIT CSV import/export plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the /wp-content/plugins/ait-csv-import-export/admin/upload-handler.php file in versions up to, and including, 3.0.3. This makes it possible for unauthorized attackers to upload arbitrary files on the affected sites server which may make remote code execution possible.

Frequently asked questions

What is CVE-2020-36849?
The AIT CSV import/export plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the /wp-content/plugins/ait-csv-import-export/admin/upload-handler.php file in versions up to, and including, 3.0.3. This makes it possible for unauthorized attackers to upload arbitrary files on the affected sites server which may make remote code execution possible.
How severe is CVE-2020-36849?
CVE-2020-36849 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-36849 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-36849?
CVE-2020-36849 affects Ait-themes Csv Import / Export. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-36849?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2020-36849 have an EU (EUVD) identifier?
Yes. CVE-2020-36849 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2020-30798.
When was CVE-2020-36849 published?
CVE-2020-36849 was published on 2025-07-12 and last updated on 2026-06-17.

References

Affected products (1)

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