CVE-2021-47843

5.1 mediumEPSS 0.4%

Medium (5.1) in pabloandumundu tagstoo. EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

5.1 medium

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

CVSS 3.1

5.4 medium

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 36% of CVEs (scores of 2026-11-01)
CWE: CWE-79
Published: 2026-01-15
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

pabloandumundu:tagstoo

References

https://imgur.com/a/smeAjaW
https://tagstoo.sourceforge.io/
https://www.exploit-db.com/exploits/49828

Check your stack JSON