CVE-2021-47843
5.4 · MEDIUMOverview
CVE-2021-47843 is a medium-severity vulnerability affecting pabloandumundu tagstoo. It was published on January 15, 2026 and has a CVSS 3.1 base score of 5.4 (MEDIUM).
This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
Technical Description
Tagstoo 2.0.1 contains a stored cross-site scripting vulnerability that allows attackers to inject malicious payloads through files or custom tags. Attackers can execute arbitrary JavaScript code to spawn system processes, access files, and perform remote code execution on the victim's computer.
Remediation
Check the references section for vendor advisories and patches from pabloandumundu. Update tagstoo to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
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Frequently Asked Questions
What is CVE-2021-47843?
CVE-2021-47843 is a medium-severity vulnerability affecting pabloandumundu tagstoo. It was published on January 15, 2026 and has a CVSS 3.1 base score of 5.4 (MEDIUM).
How severe is CVE-2021-47843?
This vulnerability has a CVSS 3.1 base score of 5.4, rated MEDIUM. It can be exploited remotely over the network. Some level of privileges is required for exploitation.
How do I fix or remediate CVE-2021-47843?
Check the references section for vendor advisories and patches from pabloandumundu. Update tagstoo to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2021-47843?
CyberStrike's AI-powered security agents can automatically detect CVE-2021-47843 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
AI agents map your attack surface to find vulnerabilities like this one.
Automated penetration testing that runs continuously, not just quarterly.
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