MEDIUM
In FusionPBX up to 4.5.7, the file app\contacts\contact_edit.php uses an unsanitized "query_string" variable coming from the URL, which is reflected in HTML, leading to XSS
Published Oct 22, 2019
6.1
MEDIUMCVSS 3.1
EPSS 0.82%
Description
In FusionPBX up to 4.5.7, the file app\contacts\contact_edit.php uses an unsanitized "query_string" variable coming from the URL, which is reflected in HTML, leading to XSS.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
6.1 MEDIUM NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality Impact Low
Integrity Impact Low
Availability Impact None
No CVSS v3.0 score for this CVE.
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:N/I:P/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact Partial
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
0.82% 0.00824
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
EPSS probability 0.00824
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.82% (0.00824) | 55.89th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.82% (0.00824) | 55.80th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.08% (0.00084) | 36.49th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.08% (0.00084) | 34.87th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.09% (0.00093) | 38.06th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Mar 31, 2022 | 2.56% (0.02561) | 62.63th | v2 (v2022.01.01) |
| Jan 6, 2022 | 2.74% (0.02742) | 62.72th | v1 |
| Jan 5, 2022 | 0.62% (0.00624) | 46.35th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
Weaknesses (1)
References (2)
- https://github.com/fusionpbx/fusionpbx/commit/cc820b2eb12a3b7070afdcb7f977f70a1d49ce49 x_refsource_MISCPatch
- https://resp3ctblog.wordpress.com/2019/10/19/fusionpbx-xss-6/ x_refsource_MISCThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/fusionpbx/fusionpbx/commit/cc820b2eb12a3b7070afdcb7f977f70a1d49ce49 | x_refsource_MISCPatch | |
| https://resp3ctblog.wordpress.com/2019/10/19/fusionpbx-xss-6/ | x_refsource_MISCThird Party Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Oct 22, 2019
Updated Aug 5, 2024
Reserved Sep 29, 2019
Link CVE-2019-16973
CISA Vulnrichment
Updated n/a