How severe is CVE-2021-38713?

CVE-2021-38713 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-2021-38713 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-2021-38713?

CVE-2021-38713 affects Imgurl Project Imgurl. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-38713?

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

When was CVE-2021-38713 published?

CVE-2021-38713 was published on 2021-08-16 and last updated on 2026-06-17.

CVE-2021-38713

CVE-2021-38713 is a medium-severity vulnerability in Imgurl Project Imgurl 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: Imgurl Project Imgurl
Published: 2021-08-16
Last modified: 2026-06-17

Description

imgURL 2.31 allows XSS via an X-Forwarded-For HTTP header.

Frequently asked questions

What is CVE-2021-38713?: imgURL 2.31 allows XSS via an X-Forwarded-For HTTP header.
How severe is CVE-2021-38713?: CVE-2021-38713 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-2021-38713 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-2021-38713?: CVE-2021-38713 affects Imgurl Project Imgurl. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-38713?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-38713 published?: CVE-2021-38713 was published on 2021-08-16 and last updated on 2026-06-17.

References

https://github.com/helloxz/imgurl/issues/72

Affected products (1)

cpe:2.3:a:imgurl_project:imgurl:2.31:*:*:*:*:*:*:*

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