CVE-2025-53865
Roundup is vulnerable to XSS through interactions between URLs and issue tracker templates
6.4
MEDIUM
CVSS 3.1
EPSS 0.17%
Description
In Roundup before 2.5.0, XSS can occur via interaction between URLs and issue tracker templates (devel and responsive).
How to fix CVE-2025-53865
To remediate CVE-2025-53865, upgrade the affected package to a fixed version below.
- PyPI/roundup—upgrade to 2.5.0 or later
- —upgrade to 2.5.0 or later
Is CVE-2025-53865 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.5.0
- from 0, < 2.5.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N |