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CVE-2021-46030
There is a Cross Site Scripting attack (XSS) vulnerability in JavaQuarkBBS <= v2. By entering specific statements into the background tag…
Medium5.4EPSS 0.50%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
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.
Timeline
ID reserved
By mitre
- 16 days later
· 16 days later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.1 | Medium5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
- EPSS (exploitation in 30 days)
- 0.50% · top 57% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.4.
Weakness
Affected products
n/a
- affected n/a
References (1)
- https://github.com/ChinaLHR/JavaQuarkBBS/issues/23 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2021-46030)Record last updated .