CVE-2021-38713
Cross-site scripting in imgURL
imgURL 2.31 allows XSS via an X-Forwarded-For HTTP header.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
5.4
imgURL 2.31 allows XSS via an X-Forwarded-For HTTP header.
- Record
CVE-2021-38713- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 3.5 Low
AV:N/AC:M/Au:S/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
imgURL 2.31 allows XSS via an X-Forwarded-For HTTP header.
- Record
CVE-2021-38713- Updated
- 2026-11-02
EUVDEUVD-2021-1690 No score
imgURL 2.31 allows XSS via an X-Forwarded-For HTTP header.
- Record
EUVD-2021-1690- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f2rp-j8hv-g5gx
5.4
Cross-site scripting in imgURL
imgURL 2.31 allows XSS via an X-Forwarded-For HTTP header.
- Record
GHSA-f2rp-j8hv-g5gx- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
5.4
imgURL 2.31 allows XSS via an X-Forwarded-For HTTP header.
- Record
CVE-2021-38713- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-f2rp-j8hv-g5gx
5.4
Cross-site scripting in imgURL
imgURL 2.31 allows XSS via an X-Forwarded-For HTTP header.
- Record
GHSA-f2rp-j8hv-g5gx- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
helloxz/imgurlPackagist |
through 2.31 | None known |
helloxz/imgurlPackagist |
through 2.31, plus listed versions v2.31 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-38713 is a medium vulnerability (CVSS 5.4) in Imgurl Project Imgurl, published August 16, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.53%, the 44th percentile. No source names a fixed version.