GHSA-95jp-77w6-qj52 · Severity: medium · Ecosystem: pip — Cross-site Scripting in python-cjson
Dan Pascu python-cjson 1.0.5 does not properly handle a ['/'] argument to cjson.encode, which makes it easier for remote attackers to conduct certain cross-site scripting (XSS) attacks involving Firefox and the end tag of a SCRIPT element.
Conclusion & alert: CVE-2009-4924 is rated Low Risk (32.9/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.24%). 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 | 2025-03-30 | 0.28% | 0.24% | -0.03% |
| 2 | 2025-03-29 | 0.24% | 0.28% | +0.03% |
| 3 | 2025-03-17 | — | 0.24% | — |
Full EPSS history (5 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
GHSA-95jp-77w6-qj52 · Severity: medium · Ecosystem: pip — Cross-site Scripting in python-cjson
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2009-4924 medium priority: Ubuntu including 1 source packages (python-cjson), 14 status rows across 14 suites (dapper, hardy, jaunty, karmic, lucid, maverick, natty, oneiric, precise, quantal, raring, saucy, trusty, upstream): ignored 10, not-affected 2, DNE 1, needs-triage 1. | https://ubuntu.com/security/CVE-2009-4924 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| dan_pascu | python-cjson | 1.0.5 | cpe:2.3:a:dan_pascu:python-cjson:1.0.5:*:*:*:*:*:*:* |