CVE-2021-47843

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.

CVSS v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://imgur.com/a/smeAjaW	Exploit
https://tagstoo.sourceforge.io/	Product
https://www.exploit-db.com/exploits/49828	Exploit Third Party Advisory

Configurations

Configuration 1 (hide)

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

History

05 Feb 2026, 19:20

Type	Values Removed	Values Added
First Time		Pabloandumundu Pabloandumundu tagstoo
CPE	cpe:2.3:a:tagstoo:tagstoo:2.0.1:::::::*	cpe:2.3:a:pabloandumundu:tagstoo:2.0.1:::::::*

02 Feb 2026, 16:16

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~7.2~~	v2 : unknown v3 : 5.4

29 Jan 2026, 19:19

Type	Values Removed	Values Added
CPE		cpe:2.3:a:tagstoo:tagstoo:2.0.1:::::::*
First Time		Tagstoo Tagstoo tagstoo
References	~~() https://imgur.com/a/smeAjaW -~~	() https://imgur.com/a/smeAjaW - Exploit
References	~~() https://tagstoo.sourceforge.io/ -~~	() https://tagstoo.sourceforge.io/ - Product
References	~~() https://www.exploit-db.com/exploits/49828 -~~	() https://www.exploit-db.com/exploits/49828 - Exploit, Third Party Advisory

15 Jan 2026, 16:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-01-15 16:16

Updated : 2026-02-05 19:20

NVD link : CVE-2021-47843

Mitre link : CVE-2021-47843

CVE.ORG link : CVE-2021-47843

JSON object : View

Products Affected

pabloandumundu

tagstoo

CWE

CWE-79

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

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