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.

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact Low

Subsequent System Integrity Impact Low

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00051.

Exploitation poc

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Tagstoo Tagstoo affected
Version Status Constraints
2.0.1 affected —

Configuration 1 [-]

cpe:2.3:a:pabloandumundu:tagstoo:2.0.1:*:*:*:*:*:*:*

No data.

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Vendors Products
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Project Subscriptions

Vendors Products
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Tagstoo Subscribe
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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://imgur.com/a/smeAjaW cve-icon cve-icon
https://tagstoo.sourceforge.io/ cve-icon cve-icon
https://www.exploit-db.com/exploits/49828 cve-icon cve-icon
History

Thu, 05 Feb 2026 19:30:00 +0000

Type Values Removed Values Added
First Time appeared Pabloandumundu
Pabloandumundu tagstoo
CPEs cpe:2.3:a:tagstoo:tagstoo:2.0.1:*:*:*:*:*:*:* cpe:2.3:a:pabloandumundu:tagstoo:2.0.1:*:*:*:*:*:*:*
Vendors & Products Pabloandumundu
Pabloandumundu tagstoo

Mon, 02 Feb 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N'}

 cvssV3_1

{'score': 5.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'}

Thu, 29 Jan 2026 19:30:00 +0000

Type Values Removed Values Added
CPEs cpe:2.3:a:tagstoo:tagstoo:2.0.1:*:*:*:*:*:*:*

Fri, 16 Jan 2026 14:15:00 +0000

Type Values Removed Values Added
First Time appeared Tagstoo
Tagstoo tagstoo
Vendors & Products Tagstoo
Tagstoo tagstoo

Thu, 15 Jan 2026 16:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 15 Jan 2026 16:00:00 +0000

Type Values Removed Values Added
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.
Title Tagstoo 2.0.1 - Stored XSS to RCE
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 7.2, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-02-02T15:58:17.466Z

Reserved: 2026-01-14T17:11:19.902Z

Link: CVE-2021-47843

cve-icon Vulnrichment

Updated: 2026-01-15T16:08:40.483Z

cve-icon NVD

Status : Analyzed

Published: 2026-01-15T16:16:10.537

Modified: 2026-02-05T19:20:08.023

Link: CVE-2021-47843

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-01-16T13:43:29Z

Weaknesses