Medium severity5.4NVD Advisory· Published Jan 15, 2026· Updated Jun 17, 2026
CVE-2021-47843
CVE-2021-47843
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.
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Affected products
3- cpe:2.3:a:pabloandumundu:tagstoo:2.0.1:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
3- imgur.com/a/smeAjaWnvdExploit
- www.exploit-db.com/exploits/49828nvdExploitThird Party Advisory
- tagstoo.sourceforge.ionvdProduct
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