How severe is CVE-2021-41502?

CVE-2021-41502 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2021-41502 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-41502?

CVE-2021-41502 affects Intelliants Subrion Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-41502?

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

When was CVE-2021-41502 published?

CVE-2021-41502 was published on 2022-06-11 and last updated on 2026-06-17.

CVE-2021-41502

CVE-2021-41502 is a medium-severity vulnerability in Intelliants Subrion Cms with a CVSS 3.x base score of 5.4. 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 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Intelliants Subrion Cms
Published: 2022-06-11
Last modified: 2026-06-17

Description

An issue was discovered in Subrion CMS v4.2.1 There is a stored cross-site scripting (XSS) vulnerability that can execute malicious JavaScript code by modifying the name of the uploaded image, closing the html tag, or adding the onerror attribute.

Frequently asked questions

What is CVE-2021-41502?: An issue was discovered in Subrion CMS v4.2.1 There is a stored cross-site scripting (XSS) vulnerability that can execute malicious JavaScript code by modifying the name of the uploaded image, closing the html tag, or adding the onerror attribute.
How severe is CVE-2021-41502?: CVE-2021-41502 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2021-41502 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-41502?: CVE-2021-41502 affects Intelliants Subrion Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-41502?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-41502 published?: CVE-2021-41502 was published on 2022-06-11 and last updated on 2026-06-17.

References

https://github.com/intelliants/subrion/issues/885

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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