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CVE-2020-36701

Page Builder: KingComposer < 2.9.4 - Arbitrary File Upload

8.8 High

CVE-2020-36701 is a high vulnerability (CVSS 8.8) in King-theme Page Builder King Composer, published June 7, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.52%, the 74th percentile. No source names a fixed version.

What does this mean?
Severity
8.8 HighCVSS 3.1, CVE List
Exploit chance
1.52%EPSS, 74th percentile
Exploitation
None knownNot on CISA’s or ENISA’s lists
Fixed in
No fix listedNo source names one

Description

The Page Builder: KingComposer plugin for WordPress is vulnerable to Arbitrary File Uploads in versions up to, and including, 2.9.3 via the 'process_bulk_action' function in the 'kingcomposer/includes/kc.extensions.php' file. This makes it possible for authenticated users with author level permissions and above to upload arbitrary files onto the server which can be used to execute code on the server.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

1.52%Up 1.5 points since Jun 7, 2023
90%50%10%1%

Affected products

What each source reports

CVE List Score used8.8

Page Builder: KingComposer < 2.9.4 - Arbitrary File Upload

The Page Builder: KingComposer plugin for WordPress is vulnerable to Arbitrary File Uploads in versions up to, and including, 2.9.3 via the 'process_bulk_action' function in the 'kingcomposer/includes/kc.extensions.php' file. This makes it possible for authenticated users with author level permissions and above to upload arbitrary files onto the server which can be used to execute code on the server.

Record
CVE-2020-36701
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-434
Updated
2026-11-02
EUVDEUVD-2020-241438.8

The Page Builder: KingComposer plugin for WordPress is vulnerable to Arbitrary File Uploads in versions up to, and including, 2.9.3 via the 'process_bulk_action' function in the 'kingcomposer/includes/kc.extensions.php' file. This makes it possible for authenticated users with author level permissions and above to upload arbitrary files onto the server which can be used to execute code on the server.

Record
EUVD-2020-24143
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-prr3-f527-mr3m8.8

The Page Builder: KingComposer plugin for WordPress is vulnerable to Arbitrary File Uploads in...

The Page Builder: KingComposer plugin for WordPress is vulnerable to Arbitrary File Uploads in versions up to, and including, 2.9.3 via the 'process_bulk_action' function in the 'kingcomposer/includes/kc.extensions.php' file. This makes it possible for authenticated users with author level permissions and above to upload arbitrary files onto the server which can be used to execute code on the server.

Record
GHSA-prr3-f527-mr3m
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-434
Updated
2026-11-02
NVD8.8

The Page Builder: KingComposer plugin for WordPress is vulnerable to Arbitrary File Uploads in versions up to, and including, 2.9.3 via the 'process_bulk_action' function in the 'kingcomposer/includes/kc.extensions.php' file. This makes it possible for authenticated users with author level permissions and above to upload arbitrary files onto the server which can be used to execute code on the server.

Record
CVE-2020-36701
CVSS 3.1
8.8 HighCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-434
Updated
2026-11-02

History

History
RecordedChangedSources
facts
first indexedCVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

References

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