Vulnerability Details : CVE-2020-21053
Cross Site Scriptiong (XSS) vulnerability exists in FusionPBX 4.5.7 allows remote malicious users to inject arbitrary web script or HTML via an unsanitized "query_string" variable in app\devices\device_imports.php.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2020-21053
- cpe:2.3:a:fusionpbx:fusionpbx:4.5.7:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-21053
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 28 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-21053
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
6.1
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST |
CWE ids for CVE-2020-21053
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-21053
-
https://resp3ctblog.wordpress.com/2019/10/28/fusionpbx-xss-22/
FusionPBX XSS 22 – Resp3ct blogThird Party Advisory
-
https://github.com/fusionpbx/fusionpbx/commit/2ce613f1e9fe8ffab7a4cb9d1384444622285335
Update device_imports.php · fusionpbx/fusionpbx@2ce613f · GitHubPatch;Third Party Advisory
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