How severe is CVE-2021-44565?

CVE-2021-44565 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-2021-44565 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-2021-44565?

CVE-2021-44565 affects Rosariosis. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-44565?

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

When was CVE-2021-44565 published?

CVE-2021-44565 was published on 2022-02-24 and last updated on 2026-06-17.

CVE-2021-44565

CVE-2021-44565 is a medium-severity vulnerability in Rosariosis 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% (49th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Rosariosis
Published: 2022-02-24
Last modified: 2026-06-17

Description

A Cross Site Scripting (XSS) vulnerability exists in RosarioSIS before 7.6.1 via the xss_clean function in classes/Security.php, which allows remote malicious users to inject arbitrary JavaScript or HTML. An example of affected components are all Markdown input fields.

Frequently asked questions

What is CVE-2021-44565?: A Cross Site Scripting (XSS) vulnerability exists in RosarioSIS before 7.6.1 via the xss_clean function in classes/Security.php, which allows remote malicious users to inject arbitrary JavaScript or HTML. An example of affected components are all Markdown input fields.
How severe is CVE-2021-44565?: CVE-2021-44565 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-2021-44565 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-2021-44565?: CVE-2021-44565 affects Rosariosis. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-44565?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-44565 published?: CVE-2021-44565 was published on 2022-02-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:rosariosis:rosariosis:*:*:*:*:*:*:*:*

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