Stored cross site scripting (xss) vulnerability in SWISH prolog thru 2.2.0 allowing attackers to execute arbitrary code via crafted web IDE notebook.
Conclusion & alert: CVE-2025-63848 is rated Low Risk (26.9/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.03%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-04-18 | 0.07% | 0.03% | -0.04% |
| 2 | 2026-03-22 | 0.04% | 0.07% | +0.03% |
| 3 | 2025-11-21 | — | 0.04% | — |
Full EPSS history (3 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.1 | MEDIUM |
|
2.8 | 2.7 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| swi-prolog | swish | <= 2.2.0 | cpe:2.3:a:swi-prolog:swish:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/SWI-Prolog | Product |
| https://github.com/coderMohammed1/CVE-2025-63848 | Patch Third Party Advisory |