How severe is CVE-2021-33496?

CVE-2021-33496 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-2021-33496 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-33496?

CVE-2021-33496 affects Dutchcoders Transfer.sh. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-33496?

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

When was CVE-2021-33496 published?

CVE-2021-33496 was published on 2021-05-24 and last updated on 2026-06-17.

CVE-2021-33496

CVE-2021-33496 is a medium-severity vulnerability in Dutchcoders Transfer.sh 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% (59th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Dutchcoders Transfer.sh
Published: 2021-05-24
Last modified: 2026-06-17

Description

Dutchcoders transfer.sh before 1.2.4 allows XSS via an inline view.

Frequently asked questions

What is CVE-2021-33496?: Dutchcoders transfer.sh before 1.2.4 allows XSS via an inline view.
How severe is CVE-2021-33496?: CVE-2021-33496 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-2021-33496 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-33496?: CVE-2021-33496 affects Dutchcoders Transfer.sh. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-33496?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-33496 published?: CVE-2021-33496 was published on 2021-05-24 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:dutchcoders:transfer.sh:*:*:*:*:*:*:*:*

More vulnerabilities in Dutchcoders Transfer.sh

CVE-2021-33497 — Critical (CVSS 9.1): Dutchcoders transfer.sh before 1.2.4 allows Directory Traversal for deleting files.
CVE-2022-40931 — Medium (CVSS 6.1): dutchcoders Transfer.sh 1.4.0 is vulnerable to Cross Site Scripting (XSS).

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