How severe is CVE-2021-3395?

CVE-2021-3395 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-2021-3395 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-3395?

CVE-2021-3395 affects Pryaniki. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-3395?

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

When was CVE-2021-3395 published?

CVE-2021-3395 was published on 2021-02-02 and last updated on 2026-06-17.

CVE-2021-3395

CVE-2021-3395 is a medium-severity vulnerability in Pryaniki 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% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Pryaniki
Published: 2021-02-02
Last modified: 2026-06-17

Description

A cross-site scripting (XSS) vulnerability in Pryaniki 6.44.3 allows remote authenticated users to upload an arbitrary file. The JavaScript code will execute when someone visits the attachment.

Frequently asked questions

What is CVE-2021-3395?: A cross-site scripting (XSS) vulnerability in Pryaniki 6.44.3 allows remote authenticated users to upload an arbitrary file. The JavaScript code will execute when someone visits the attachment.
How severe is CVE-2021-3395?: CVE-2021-3395 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-2021-3395 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-3395?: CVE-2021-3395 affects Pryaniki. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-3395?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-3395 published?: CVE-2021-3395 was published on 2021-02-02 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:pryaniki:pryaniki:6.44.3:*:*:*:*:*:*:*

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