How severe is CVE-2020-8981?

CVE-2020-8981 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-2020-8981 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-8981?

CVE-2020-8981 affects Mantisbt Source Integration. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-8981?

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

When was CVE-2020-8981 published?

CVE-2020-8981 was published on 2020-02-13 and last updated on 2026-06-17.

CVE-2020-8981

CVE-2020-8981 is a medium-severity vulnerability in Mantisbt Source Integration 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% (61st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Mantisbt Source Integration
Published: 2020-02-13
Last modified: 2026-06-17

Description

A cross-site scripting (XSS) vulnerability was discovered in the Source Integration plugin before 1.6.2 and 2.x before 2.3.1 for MantisBT. The repo_delete.php Delete Repository page allows execution of arbitrary code via a repo name (if CSP settings permit it). This is related to CVE-2018-16362.

Frequently asked questions

What is CVE-2020-8981?: A cross-site scripting (XSS) vulnerability was discovered in the Source Integration plugin before 1.6.2 and 2.x before 2.3.1 for MantisBT. The repo_delete.php Delete Repository page allows execution of arbitrary code via a repo name (if CSP settings permit it). This is related to CVE-2018-16362.
How severe is CVE-2020-8981?: CVE-2020-8981 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-2020-8981 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (61st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-8981?: CVE-2020-8981 affects Mantisbt Source Integration. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-8981?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-8981 published?: CVE-2020-8981 was published on 2020-02-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mantisbt:source_integration:*:*:*:*:*:mantisbt:*:*

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