CVE-2021-43690
YurunProxy v0.01 is affected by a Cross Site Scripting (XSS) vulnerability in src/Client.php. The...
YurunProxy v0.01 is affected by a Cross Site Scripting (XSS) vulnerability in src/Client.php. The exit function will terminate the script and print a message which have values from the socket_read.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
YurunProxy v0.01 is affected by a Cross Site Scripting (XSS) vulnerability in src/Client.php. The exit function will terminate the script and print a message which have values from the socket_read.
- Record
CVE-2021-43690- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
YurunProxy v0.01 is affected by a Cross Site Scripting (XSS) vulnerability in src/Client.php. The exit function will terminate the script and print a message which have values from the socket_read.
- Record
CVE-2021-43690- Updated
- 2026-11-02
EUVDEUVD-2021-30597 No score
YurunProxy v0.01 is affected by a Cross Site Scripting (XSS) vulnerability in src/Client.php. The exit function will terminate the script and print a message which have values from the socket_read.
- Record
EUVD-2021-30597- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qhr5-fxfp-xr69 No score
YurunProxy v0.01 is affected by a Cross Site Scripting (XSS) vulnerability in src/Client.php. The...
YurunProxy v0.01 is affected by a Cross Site Scripting (XSS) vulnerability in src/Client.php. The exit function will terminate the script and print a message which have values from the socket_read.
- Record
GHSA-qhr5-fxfp-xr69- Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
YurunProxy v0.01 is affected by a Cross Site Scripting (XSS) vulnerability in src/Client.php. The exit function will terminate the script and print a message which have values from the socket_read.
- Record
CVE-2021-43690- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
Affected products
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-2021-43690 is a medium vulnerability (CVSS 6.1) in Yurunproxy Project Yurunproxy, published December 1, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.64%, the 50th percentile. No source names a fixed version.