MEDIUM

CVE-2021-27519

CVSS v3

6.1

MEDIUM

EPSS Score

7.6 %

exploit probability, as of 2026-10-19

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Neither OSV.dev nor the vendor advisories we read list affected versions for CVE-2021-27519 yet.

Full record on NVD

Description

A cross-site scripting (XSS) issue in FUDForum 3.1.0 allows remote attackers to inject JavaScript via index.php in the "srch" parameter.

Technical details

Published: 2021-03-19
Exploit-DB: EDB-49942

Frequently asked questions

What is CVE-2021-27519?

A cross-site scripting (XSS) issue in FUDForum 3.1.0 allows remote attackers to inject JavaScript via index.php in the "srch" parameter.

Is CVE-2021-27519 actively exploited?

Active exploitation of CVE-2021-27519 has not been confirmed. Its EPSS score was 7.6% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-27519?

CVE-2021-27519 has a CVSS v3 base score of 6.1 (MEDIUM severity).

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