CVE-2023-39319
Improper handling of special tags within script contexts in html/template
6.1
MEDIUM
CVSS 3.1
EPSS 0.09%
Description
The html/template package does not apply the proper rules for handling occurrences of "<script", "<!--", and "</script" within JS literals in <script> contexts. This may cause the template parser to improperly consider script contexts to be terminated early, causing actions to be improperly escaped. This could be leveraged to perform an XSS attack.
How to fix CVE-2023-39319
To remediate CVE-2023-39319, upgrade the affected package to a fixed version below.
- —upgrade to 1.20.8 or later
- —no fix listed
- —no fix listed
- —upgrade to 1.20.8 or later
Is CVE-2023-39319 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 1.20.8, >= 1.21.0, < 1.21.1
- from 0
- from 0
- from 0, < 1.20.8, >= 1.21.0-0, < 1.21.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |