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CVE-2020-13889

MediumPublished

showAlert() in the administration panel in Bludit 3.12.0 allows XSS.

Published: Jun 6, 2020
Updated: Aug 4, 2024
Assigning CNA: mitre
Evidence observed: Aug 8, 2026

Primary CVSS

5.4/ 10Medium

nvd · CVSS 3.1

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

EPSS probability estimate

0.9%

Low · next 30 days

Percentile: 56.4%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

showAlert() in the administration panel in Bludit 3.12.0 allows XSS.

Sources

CVE-2020-13889PoC
Proof-of-concept for a stored/reflected XSS vulnerability in Bludit's admin panel showAlert() function, demonstrating unsanitized user input leading to arbitrary JavaScript execution.

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