CVE-2020-21496
MEDIUMCVSS 6.1/10EPSS 0.67%
Last modified
CVE-2020-21496 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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.. EPSS estimates a 0.67% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Xiuno | Xiunobbs | 4.0.4 |
References
- https://gitee.com/xiuno/xiunobbs/issues/I16BI3Issue Tracking, Third Party Advisory
- https://github.com/wanghaiwei/xiuno-docker/issues/5Exploit, Issue Tracking, Third Party Advisory
- https://gitee.com/xiuno/xiunobbs/issues/I16BI3Issue Tracking, Third Party Advisory
- https://github.com/wanghaiwei/xiuno-docker/issues/5Exploit, Issue Tracking, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-21496?
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.
How severe is CVE-2020-21496?
CVE-2020-21496 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.67% probability of exploitation in the next 30 days.
How do I fix CVE-2020-21496?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2020-21496?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST