CVE-2023-24539
Improper sanitization of CSS values in html/template
7.3
HIGH
CVSS 3.1
EPSS 0.08%
Description
Angle brackets (<>) are not considered dangerous characters when inserted into CSS contexts. Templates containing multiple actions separated by a '/' character can result in unexpectedly closing the CSS context and allowing for injection of unexpected HTML, if executed with untrusted input.
How to fix CVE-2023-24539
To remediate CVE-2023-24539, upgrade the affected package to a fixed version below.
- —upgrade to 1.19.9 or later
- —no fix listed
- —no fix listed
- —upgrade to 1.19.9 or later
Is CVE-2023-24539 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 1.19.9, >= 1.20.0, < 1.20.4
- from 0
- from 0
- from 0, < 1.19.9, >= 1.20.0-0, < 1.20.4
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |