PatchTheCVECVE-2021-46030: There is a Cross Site Scripting attack (XSS) vulnerability in JavaQuarkBBS <= v2
CVE-2021-46030 is a medium-severity flaw (CVSS 5.4) affecting javaquarkbbs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
There is a Cross Site Scripting attack (XSS) vulnerability in JavaQuarkBBS <= v2. By entering specific statements into the background tag management module, the attack statement will be stored in the database, and the next victim will be attacked when he accesses the tag module.
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 | Low |
| User interaction | Required |
| EPSS exploit chance | 0.5% (top 58%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2022-01-19 |
| 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-2021-46030?
javaquarkbbs: upgrade to newer than 2. Exact commands for each OS are on this page.
Is CVE-2021-46030 being exploited?
CVE-2021-46030 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-2021-46030 affect?
CVE-2021-46030 affects javaquarkbbs. Severity is medium (CVSS 5.4). There is a Cross Site Scripting attack (XSS) vulnerability in JavaQuarkBBS <= v2. By entering specific statements into the background tag management module, the attack statement will be stored in the database, and the next victim will be at
How urgent is CVE-2021-46030?
Priority 35/100. Public exploit reference