How severe is CVE-2020-35437?

CVE-2020-35437 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-2020-35437 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-35437?

CVE-2020-35437 affects Intelliants Subrion Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-35437?

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

When was CVE-2020-35437 published?

CVE-2020-35437 was published on 2020-12-26 and last updated on 2026-06-17.

CVE-2020-35437

CVE-2020-35437 is a medium-severity vulnerability in Intelliants Subrion Cms 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: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Intelliants Subrion Cms
Published: 2020-12-26
Last modified: 2026-06-17

Description

Subrion CMS 4.2.1 is affected by: Cross Site Scripting (XSS) through the avatar[path] parameter in a POST request to the /_core/profile/ URI.

Frequently asked questions

What is CVE-2020-35437?: Subrion CMS 4.2.1 is affected by: Cross Site Scripting (XSS) through the avatar[path] parameter in a POST request to the /_core/profile/ URI.
How severe is CVE-2020-35437?: CVE-2020-35437 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-2020-35437 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-35437?: CVE-2020-35437 affects Intelliants Subrion Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-35437?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-35437 published?: CVE-2020-35437 was published on 2020-12-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:intelliants:subrion_cms:4.2.1:*:*:*:*:*:*:*

More vulnerabilities in Intelliants Subrion Cms

CVE-2017-11445 — Critical (CVSS 9.8): Subrion CMS before 4.1.6 has a SQL injection vulnerability in /front/actions.php via the $_POST array.
CVE-2017-11444 — Critical (CVSS 9.8): Subrion CMS before 4.1.5.10 has a SQL injection vulnerability in /front/search.php via the $_GET array.
CVE-2017-6013 — Critical (CVSS 9.8): Subrion CMS 4.0.5.10 has SQL injection in admin/database/ via the query parameter.
CVE-2021-43464 — High (CVSS 8.8): A Remiote Code Execution (RCE) vulnerability exiss in Subrion CMS 4.2.1 via modified code in a background field; when…
CVE-2020-18326 — High (CVSS 8.8): Cross Site Request Forgery (CSRF) vulnerability exists in Intelliants Subrion CMS v4.2.1 via the Members administrator…
CVE-2019-7357 — High (CVSS 8.8): Subrion CMS 4.2.1 has CSRF in panel/modules/plugins/. The attacker can remotely activate/deactivate the plugins.

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