PatchTheCVECVE-2021-23784: This affects the package tempura before 0.4.0
CVE-2021-23784 is a medium-severity flaw (CVSS 5.4) affecting tempura. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
This affects the package tempura before 0.4.0. If the input to the esc function is of type object (i.e an array) it is returned without being escaped/sanitized, leading to a potential Cross-Site Scripting vulnerability.
Why this priority
- Public exploit reference
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 | 1.3% (top 30%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2021-11-03 |
| 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-2021-23784?
tempura: upgrade to 0.4.0. Exact commands for each OS are on this page.
Is CVE-2021-23784 being exploited?
CVE-2021-23784 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-2021-23784 affect?
CVE-2021-23784 affects tempura. Severity is medium (CVSS 5.4). This affects the package tempura before 0.4.0. If the input to the esc function is of type object (i.e an array) it is returned without being escaped/sanitized, leading to a potential Cross-Site Scripting vulnerability.
How urgent is CVE-2021-23784?
Priority 41/100. Public exploit reference