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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.

PUBLISHED Reserved 2026-01-14 | Published 2026-01-15 | Updated 2026-02-18 | Assigner VulnCheck




MEDIUM: 5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
MEDIUM: 5.4CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Problem types

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

2.0.1
affected

Credits

TaurusOmar finder

References

www.exploit-db.com/exploits/49828 (ExploitDB-49828) exploit

tagstoo.sourceforge.io/ (Tagstoo Official Homepage) product

imgur.com/a/smeAjaW (Proof of Concept Video) product

cve.org (CVE-2021-47843)

nvd.nist.gov (CVE-2021-47843)

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