Symantec Web Isolation (WI) 1.11 prior to 1.11.21 is susceptible to a reflected cross-site scripting (XSS) vulnerability
Published Oct 22, 2018
6.1
MEDIUMCVSS 3.0
EPSS 1.00%
Description
Symantec Web Isolation (WI) 1.11 prior to 1.11.21 is susceptible to a reflected cross-site scripting (XSS) vulnerability. A remote attacker can target end users protected by WI with social engineering attacks using crafted URLs for legitimate web sites. A successful attack allows injecting malicious JavaScript code into the website's rendered copy running inside the end user's web browser. It does not allow injecting code into the real (isolated) copy of the website running on the WI Threat Isolation Engine.
Affected products
-
- Version 1.11 prior to 1.11.21StatusaffectedConstraints-
- 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 | ||||||
|---|---|---|---|---|---|---|---|---|---|
| Symantec Corporation | Symantec Web Isolation | n/a |
|
- ≥ 1.11 · < 1.11.21
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.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
AV:N/AC:M/Au:N/C:N/I:P/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.00% (0.00999) | 61.45th | v5 (v2026.06.15) |
| Sep 20, 2026 | 1.00% (0.00999) | 61.25th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.25% (0.00252) | 65.50th | v3 (v2023.03.01) |
| Jul 1, 2024 | 0.25% (0.00252) | 65.35th | v3 (v2023.03.01) |
| Mar 8, 2024 | 0.18% (0.00177) | 54.08th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.21% (0.00210) | 57.09th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.83% (0.00833) | 24.94th | v5 (v2026.06.15) |
| Apr 14, 2021 | 0.83% (0.00833) | 0.00th | v1 |
References (2)
- http://www.securityfocus.com/bid/105581 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- https://support.symantec.com/content/unifiedweb/en_US/article.SYMSA1464.html x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.securityfocus.com/bid/105581 | vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry | |
| https://support.symantec.com/content/unifiedweb/en_US/article.SYMSA1464.html | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.