PatchTheCVECVE-2024-50440: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Chris Co
CVE-2024-50440 is a medium-severity flaw (CVSS 6.5) affecting codepen. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Chris Coyier CodePen Embedded Pens Shortcode codepen-embedded-pen-shortcode allows Stored XSS.This issue affects CodePen Embedded Pens Shortcode: from n/a through <= 1.0.2.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 6.5 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | Required |
| EPSS exploit chance | 0.3% (top 82%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2024-10-28 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2024-50440?
codepen: upgrade to 1.0.3. Exact commands for each OS are on this page.
Is CVE-2024-50440 being exploited?
CVE-2024-50440 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2024-50440 affect?
CVE-2024-50440 affects codepen. Severity is medium (CVSS 6.5). Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Chris Coyier CodePen Embedded Pens Shortcode codepen-embedded-pen-shortcode allows Stored XSS.This issue affects CodePen Embedded Pens Sho
How urgent is CVE-2024-50440?
Priority 27/100. No elevated risk signals yet.