XSS in Pabloandumundu Tagstoo
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (34.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 35th percentile — 34.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
- Pabloandumundu Tagstoo — versions 2.0.1
- Tagstoo — versions 2.0.1
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/49828 (Exploit, Third Party Advisory, exploit)
- tagstoo.sourceforge.io/ (Product, product)
- imgur.com/a/smeAjaW (Exploit, product)
Frequently asked questions
- What is CVE-2021-47843?
- CVE-2021-47843 is a medium-severity vulnerability in Pabloandumundu Tagstoo, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2026-01-15.
- How severe is CVE-2021-47843?
- Medium severity. CVSS v3 base score is 5.4 out of 10.