vulnerability

WordPress Plugin: envira-gallery-lite: CVE-2021-24126: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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Severity

CVSS

(AV:N/AC:M/Au:S/C:N/I:P/A:N)

Published

Dec 19, 2020

Added

May 15, 2025

Modified

Apr 30, 2026

Description

Unvalidated input and lack of output encoding in the Envira Gallery Lite WordPress plugin, versions before 1.8.3.3, did not properly sanitise the images metadata (namely title) before outputting them in the generated gallery, which could lead to privilege escalation.

Solution

envira-gallery-lite-plugin-cve-2021-24126

References

https://www.cve.org/CVERecord?id=CVE-2021-24126
https://www.wordfence.com/threat-intel/vulnerabilities/id/98361cfd-1277-43fd-b0da-db2549628383?source=api-prod
https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-11040
CVE-2021-24126
https://attackerkb.com/topics/CVE-2021-24126
CWE-79
EUVD-EUVD-2021-11040

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