How severe is CVE-2020-9439?

CVE-2020-9439 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2020-9439 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9439?

CVE-2020-9439 affects Uncannyowl Tin Canny Reporting For Learndash. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-9439?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-9439 published?

CVE-2020-9439 was published on 2020-12-23 and last updated on 2026-06-17.

CVE-2020-9439

CVE-2020-9439 is a medium-severity vulnerability in Uncannyowl Tin Canny Reporting For Learndash with a CVSS 3.x base score of 6.1. 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-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Uncannyowl Tin Canny Reporting For Learndash
Published: 2020-12-23
Last modified: 2026-06-17

Description

Multiple cross-site scripting (XSS) vulnerabilities in Uncanny Owl Tin Canny LearnDash Reporting before 3.4.4 allows authenticated remote attackers to inject arbitrary web script or HTML via the search_key GET Parameter in TinCan_Content_List_Table.php, message GET Parameter in licensing.php, tc_filter_group parameter in reporting-admin-menu.php, tc_filter_user parameter in reporting-admin-menu.php, tc_filter_course parameter in reporting-admin-menu.php, tc_filter_lesson parameter in reporting-admin-menu.php, tc_filter_module parameter in reporting-admin-menu.php, tc_filter_action parameter in reporting-admin-menu.php, tc_filter_data_range parameter in reporting-admin-menu.php, or tc_filter_data_range_last parameter in reporting-admin-menu.php.

Frequently asked questions

What is CVE-2020-9439?: Multiple cross-site scripting (XSS) vulnerabilities in Uncanny Owl Tin Canny LearnDash Reporting before 3.4.4 allows authenticated remote attackers to inject arbitrary web script or HTML via the search_key GET Parameter in TinCan_Content_List_Table.php, message GET Parameter in licensing.php, tc_filter_group parameter in reporting-admin-menu.php, tc_filter_user parameter in reporting-admin-menu.php, tc_filter_course parameter in reporting-admin-menu.php, tc_filter_lesson parameter in reporting-admin-menu.php, tc_filter_module parameter in reporting-admin-menu.php, tc_filter_action parameter in reporting-admin-menu.php, tc_filter_data_range parameter in reporting-admin-menu.php, or tc_filter_data_range_last parameter in reporting-admin-menu.php.
How severe is CVE-2020-9439?: CVE-2020-9439 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2020-9439 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9439?: CVE-2020-9439 affects Uncannyowl Tin Canny Reporting For Learndash. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-9439?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-9439 published?: CVE-2020-9439 was published on 2020-12-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:uncannyowl:tin_canny_reporting_for_learndash:*:*:*:*:*:*:*:*

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