MEDIUM
A Cross-site Scripting (XSS) vulnerability in Fortinet FortiOS 6.0.0 to 6.0.4, 5.6.0 to 5.6.7, 5.4.0 to 5.4.12, 5.2 and below and Fortinet FortiProxy 2.0.0, 1.2.8 and below under SSL VPN web portal allows attacker to execute unauthorized malicious script code via the error or message handling parameters
Published Jun 4, 2019
6.1
MEDIUMCVSS 3.1
EPSS 62.47%
Description
A Cross-site Scripting (XSS) vulnerability in Fortinet FortiOS 6.0.0 to 6.0.4, 5.6.0 to 5.6.7, 5.4.0 to 5.4.12, 5.2 and below and Fortinet FortiProxy 2.0.0, 1.2.8 and below under SSL VPN web portal allows attacker to execute unauthorized malicious script code via the error or message handling parameters.
Affected products
-
- Version FortiGate 6.0.0 through 6.0.4, 5.6.0 through 5.6.7, 5.4.0 through 5.4.12, 5.2 and earlier and FortiProxy versions 2.0.0, 1.2.8 and earlierStatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Fortinet | Fortinet FortiOS and FortiProxy | n/a |
|
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
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
1 other source (CVE.org) ▾
4.7 MEDIUM CVE.org
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality Impact Low
Integrity Impact None
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.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
PartialDecision
n/aAssessed Oct 23, 2024 · SSVC 2.0.3
62.47% 0.62474
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
EPSS probability 0.62474
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (49 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 62.47% (0.62474) | 99.17th | v5 (v2026.06.15) |
| Jun 15, 2026 | 62.47% (0.62474) | 99.08th | v5 (v2026.06.15) |
| Jun 5, 2026 | 37.40% (0.37395) | 97.27th | v4 (v2025.03.14) |
| Apr 19, 2026 | 22.88% (0.22877) | 95.91th | v4 (v2025.03.14) |
| Mar 4, 2026 | 34.50% (0.34498) | 96.91th | v4 (v2025.03.14) |
| Mar 1, 2026 | 25.04% (0.25039) | 96.08th | v4 (v2025.03.14) |
| Feb 4, 2026 | 34.50% (0.34498) | 96.88th | v4 (v2025.03.14) |
| Feb 1, 2026 | 25.04% (0.25039) | 96.05th | v4 (v2025.03.14) |
| Jan 4, 2026 | 34.50% (0.34498) | 96.85th | v4 (v2025.03.14) |
| Jan 1, 2026 | 25.04% (0.25039) | 96.02th | v4 (v2025.03.14) |
| Dec 4, 2025 | 34.50% (0.34498) | 96.82th | v4 (v2025.03.14) |
| Dec 1, 2025 | 25.04% (0.25039) | 95.99th | v4 (v2025.03.14) |
| Nov 21, 2025 | 34.50% (0.34498) | 96.81th | v4 (v2025.03.14) |
| Nov 18, 2025 | 42.41% (0.42409) | 97.30th | v4 (v2025.03.14) |
| Nov 4, 2025 | 37.93% (0.37928) | 97.02th | v4 (v2025.03.14) |
| Nov 1, 2025 | 28.86% (0.28859) | 96.36th | v4 (v2025.03.14) |
| Oct 4, 2025 | 37.93% (0.37928) | 97.09th | v4 (v2025.03.14) |
| Oct 1, 2025 | 28.86% (0.28859) | 96.41th | v4 (v2025.03.14) |
| Sep 23, 2025 | 37.93% (0.37928) | 97.12th | v4 (v2025.03.14) |
| Sep 4, 2025 | 31.76% (0.31759) | 96.67th | v4 (v2025.03.14) |
| Sep 1, 2025 | 23.47% (0.23468) | 95.80th | v4 (v2025.03.14) |
| Aug 24, 2025 | 31.76% (0.31759) | 96.65th | v4 (v2025.03.14) |
| Aug 4, 2025 | 34.69% (0.34693) | 96.85th | v4 (v2025.03.14) |
| Aug 1, 2025 | 22.56% (0.22562) | 95.65th | v4 (v2025.03.14) |
| Jul 4, 2025 | 34.69% (0.34693) | 96.82th | v4 (v2025.03.14) |
| Jul 1, 2025 | 22.56% (0.22562) | 95.59th | v4 (v2025.03.14) |
| Jun 4, 2025 | 34.69% (0.34693) | 96.79th | v4 (v2025.03.14) |
| Jun 1, 2025 | 22.56% (0.22562) | 95.55th | v4 (v2025.03.14) |
| May 4, 2025 | 34.69% (0.34693) | 96.76th | v4 (v2025.03.14) |
| May 1, 2025 | 22.56% (0.22562) | 95.50th | v4 (v2025.03.14) |
| Mar 30, 2025 | 34.69% (0.34693) | 96.66th | v4 (v2025.03.14) |
| Mar 29, 2025 | 56.26% (0.56264) | 97.25th | v4 (v2025.03.14) |
| Mar 28, 2025 | 34.69% (0.34693) | 96.66th | v4 (v2025.03.14) |
| Mar 26, 2025 | 24.74% (0.24741) | 95.63th | v4 (v2025.03.14) |
| Mar 24, 2025 | 31.62% (0.31620) | 96.39th | v4 (v2025.03.14) |
| Mar 23, 2025 | 24.74% (0.24741) | 95.48th | v4 (v2025.03.14) |
| Mar 18, 2025 | 31.62% (0.31620) | 96.43th | v4 (v2025.03.14) |
| Mar 17, 2025 | 24.74% (0.24741) | 95.67th | v4 (v2025.03.14) |
| Dec 17, 2024 | 1.98% (0.01979) | 88.46th | v3 (v2023.03.01) |
| Jun 14, 2024 | 0.12% (0.00122) | 46.78th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.12% (0.00122) | 44.76th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.66% (0.00663) | 18.75th | v1 |
| Jan 6, 2022 | 0.66% (0.00663) | 18.17th | v1 |
| Sep 1, 2021 | 0.66% (0.00663) | 47.40th | v1 |
| Apr 14, 2021 | 0.66% (0.00663) | 0.00th | v1 |
Weaknesses (1)
References (2)
- https://fortiguard.com/advisory/FG-IR-18-383 x_refsource_CONFIRMMitigationVendor Advisory
- https://fortiguard.com/advisory/FG-IR-20-230 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://fortiguard.com/advisory/FG-IR-18-383 | x_refsource_CONFIRMMitigationVendor Advisory | |
| https://fortiguard.com/advisory/FG-IR-20-230 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner fortinet
Published Jun 4, 2019
Updated Oct 25, 2024
Reserved Jul 6, 2018
Link CVE-2018-13380
CISA Vulnrichment
Updated Oct 23, 2024