Medium severity6.1NVD Advisory· Published Oct 4, 2021· Updated Jun 17, 2026
CVE-2020-21496
CVE-2020-21496
Description
A cross-site scripting (XSS) vulnerability in the component /admin/?setting-base.htm of Xiuno BBS 4.0.4 allows attackers to execute arbitrary web scripts or HTML via the sitebrief parameter.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Xiuno/BBSdescription
Patches
Vulnerability mechanics
References
2- github.com/wanghaiwei/xiuno-docker/issues/5nvdExploitIssue TrackingThird Party Advisory
- gitee.com/xiuno/xiunobbs/issues/I16BI3nvdIssue TrackingThird Party Advisory
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