What’s Vulnerable › Vulnerabilities

CVE-2021-46030

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-01-19 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• Javaquarkbbs Project Javaquarkbbs: through 2

References

• https://github.com/ChinaLHR/JavaQuarkBBS/issues/23
• https://github.com/ChinaLHR/JavaQuarkBBS/issues/23

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