CVE-2021-28968

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CVSS 3.1

5.4 medium

EPSS

<1%p42

Published

Mar 22, 2021 (Mar 22, 2021)

Modified

Jun 17, 2026

Description

An issue was discovered in PunBB before 1.4.6. An XSS vulnerability in the [email] BBcode tag allows (with authentication) injecting arbitrary JavaScript into any forum message.

Vendors: gnu
Products: punbb
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.5%)

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