PT-2026-3057 · Tagstoo · Tagstoo

Taurusomar · Published 2026-01-15 · Updated 2026-01-15 · CVE-2021-47843

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Tagstoo version 2.0.1

Description Tagstoo 2.0.1 contains a stored cross-site scripting issue that allows attackers to inject malicious payloads through files or custom tags. Successful exploitation can lead to the execution of arbitrary JavaScript code, potentially enabling attackers to spawn system processes, access files, and perform remote code execution on a victim’s computer.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-47843

Affected Products

Tagstoo

References · 6

• 🔥 https://imgur.com/a/smeAjaW · Exploit
• 🔥 https://exploit-db.com/exploits/49828 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2021-47843 · Security Note
• https://osv.dev/vulnerability/CVE-2021-47843 · Vendor Advisory
• https://tagstoo.sourceforge.io · Note
• https://twitter.com/CVEnew/status/2011926088197546203 · Twitter Post