What’s Vulnerable › Vulnerabilities

CVE-2021-47843: Tagstoo 2.0.1 - Stored XSS to RCE

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-01-15 · updated 2026-06-17
• Weakness: CWE-79

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.

Affected products

• Tagstoo: 2.0.1

References

• https://imgur.com/a/smeAjaW
• https://tagstoo.sourceforge.io/
• https://www.exploit-db.com/exploits/49828

Get alerted when CVE-2021-47843 or the next vulnerability affects your stack