PatchTheCVECVE-2022-25849: The package joyqi/hyper-down from 0.0.0 are vulnerable to Cross-site Scripting (XSS) because the module of par
CVE-2022-25849 is a medium-severity flaw (CVSS 5.4) affecting hyperdown. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The package joyqi/hyper-down from 0.0.0 are vulnerable to Cross-site Scripting (XSS) because the module of parse markdown does not filter the href attribute very well.
Why this priority
- Public exploit reference
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 5.4 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | Required |
| EPSS exploit chance | 0.6% (top 53%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2022-10-26 |
| 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-2022-25849?
hyperdown: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2022-25849 being exploited?
CVE-2022-25849 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-2022-25849 affect?
CVE-2022-25849 affects hyperdown. Severity is medium (CVSS 5.4). The package joyqi/hyper-down from 0.0.0 are vulnerable to Cross-site Scripting (XSS) because the module of parse markdown does not filter the href attribute very well.
How urgent is CVE-2022-25849?
Priority 36/100. Public exploit reference