How severe is CVE-2020-10390?

CVE-2020-10390 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-10390 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-10390?

CVE-2020-10390 affects Chadhaajay Phpkb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-10390?

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-2020-10390 published?

CVE-2020-10390 was published on 2020-03-12 and last updated on 2026-06-17.

CVE-2020-10390

CVE-2020-10390 is a high-severity vulnerability in Chadhaajay Phpkb with a CVSS 3.x base score of 7.2. 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-78.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 6.5
EPSS exploit prediction: 4% (90th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-78
Affected product: Chadhaajay Phpkb
Published: 2020-03-12
Last modified: 2026-06-17

Description

OS Command Injection in export.php (vulnerable function called from include/functions-article.php) in Chadha PHPKB Standard Multi-Language 9 allows remote attackers to achieve Code Execution by saving the code to be executed as the wkhtmltopdf path via admin/save-settings.php.

Frequently asked questions

What is CVE-2020-10390?: OS Command Injection in export.php (vulnerable function called from include/functions-article.php) in Chadha PHPKB Standard Multi-Language 9 allows remote attackers to achieve Code Execution by saving the code to be executed as the wkhtmltopdf path via admin/save-settings.php.
How severe is CVE-2020-10390?: CVE-2020-10390 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-10390 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-10390?: CVE-2020-10390 affects Chadhaajay Phpkb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-10390?: 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-2020-10390 published?: CVE-2020-10390 was published on 2020-03-12 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:chadhaajay:phpkb:9.0:*:*:*:*:*:*:*

More vulnerabilities in Chadhaajay Phpkb

CVE-2020-10478 — High (CVSS 8.8): CSRF in admin/manage-settings.php in Chadha PHPKB Standard Multi-Language 9 allows attackers to change the global…
CVE-2020-11579 — High (CVSS 7.5): An issue was discovered in Chadha PHPKB 9.0 Enterprise Edition. installer/test-connection.php (part of the installation…
CVE-2020-10389 — High (CVSS 7.2): admin/save-settings.php in Chadha PHPKB Standard Multi-Language 9 allows remote attackers to achieve Code Execution by…
CVE-2020-10386 — High (CVSS 7.2): admin/imagepaster/image-upload.php in Chadha PHPKB Standard Multi-Language 9 allows remote attackers to achieve Code…
CVE-2020-10501 — Medium (CVSS 6.5): CSRF in admin/manage-departments.php in Chadha PHPKB Standard Multi-Language 9 allows attackers to edit a department,…
CVE-2020-10498 — Medium (CVSS 6.5): CSRF in admin/edit-category.php in Chadha PHPKB Standard Multi-Language 9 allows attackers to edit a category, given…

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