CVE-2022-21802: The package grapesjs before 0.19.5 are vulnerable to Cross-site Scripting (XSS) due to an improper sanitizatio
CVE-2022-21802 is a medium-severity flaw (CVSS 5.4) affecting grapesjs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The package grapesjs before 0.19.5 are vulnerable to Cross-site Scripting (XSS) due to an improper sanitization of the class name in Selector Manager.
Why this priority
- No elevated risk signals yet
A fixed release or distro patch exists.
Risk facts
| CVSS score | 5.4 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.8% (top 44%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2022-07-25 |
| 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-2022-21802?
grapesjs: upgrade to 0.19.5. Exact commands for each OS are on this page.
Is CVE-2022-21802 being exploited?
CVE-2022-21802 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-2022-21802 affect?
CVE-2022-21802 affects grapesjs. Severity is medium (CVSS 5.4). The package grapesjs before 0.19.5 are vulnerable to Cross-site Scripting (XSS) due to an improper sanitization of the class name in Selector Manager.
How urgent is CVE-2022-21802?
Priority 33/100. No elevated risk signals yet.