CVE-2021-3340

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-02-01 · updated 2026-06-17
Weakness: CWE-79

Description

A cross-site scripting (XSS) vulnerability in many forms of Wikindx before 5.7.0 and 6.x through 6.4.0 allows remote attackers to inject arbitrary web script or HTML via the message parameter to index.php?action=initLogon or modules/admin/DELETEIMAGES.php.

Affected products

Wikindx Project Wikindx: before 5.7.0; from 6.0.0 through 6.4.0 — fixed in 5.7.0

How to fix

Upgrade to a fixed version: Wikindx Project Wikindx 5.7.0. Check the vendor advisory for mitigations.

References

https://sourceforge.net/p/wikindx/news/2021/01/wikindx-v641-released/
https://sourceforge.net/projects/wikindx/
https://sourceforge.net/p/wikindx/news/2021/01/wikindx-v641-released/
https://sourceforge.net/projects/wikindx/

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