How severe is CVE-2020-26505?

CVE-2020-26505 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-2020-26505 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-26505?

CVE-2020-26505 affects Marmind. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-26505?

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

When was CVE-2020-26505 published?

CVE-2020-26505 was published on 2020-11-05 and last updated on 2026-06-17.

CVE-2020-26505

CVE-2020-26505 is a medium-severity vulnerability in Marmind 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% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Marmind
Published: 2020-11-05
Last modified: 2026-06-17

Description

A Stored Cross-Site Scripting (XSS) vulnerability in the “Marmind” web application with version 4.1.141.0 allows an attacker to inject code that will later be executed by legitimate users when they open the assets containing the JavaScript code. This would allow an attacker to perform unauthorized actions in the application on behalf of legitimate users or spread malware via the application. By using the “Assets Upload” function, an attacker can abuse the upload function to upload a malicious PDF file containing a stored XSS.

Frequently asked questions

What is CVE-2020-26505?: A Stored Cross-Site Scripting (XSS) vulnerability in the “Marmind” web application with version 4.1.141.0 allows an attacker to inject code that will later be executed by legitimate users when they open the assets containing the JavaScript code. This would allow an attacker to perform unauthorized actions in the application on behalf of legitimate users or spread malware via the application. By using the “Assets Upload” function, an attacker can abuse the upload function to upload a malicious PDF file containing a stored XSS.
How severe is CVE-2020-26505?: CVE-2020-26505 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-2020-26505 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-26505?: CVE-2020-26505 affects Marmind. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-26505?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-26505 published?: CVE-2020-26505 was published on 2020-11-05 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:marmind:marmind:4.1.141.0:*:*:*:*:*:*:*

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