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Vulnerability record · CVE-2021-24903 · published 28 February 2022

CVE-2021-24903: Codeasily grand flagallery cross-site scripting vulnerability

Codeasily · Grand Flagallery

The GRAND FlaGallery WordPress plugin through 6.1.2 does not sanitise and escape some of its gallery settings, which could allow high privilege users to perform Cross-Site scripting attacks even when the unfiltered_html capability is disallowed.

4.8 CVSS 3.1 Medium EPSS 0.60% · top 53.5% CWE-79 · Cross-site scripting
4.8CVSS 3.1 base score, v2 3.5
0.60%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

The GRAND FlaGallery WordPress plugin through 6.1.2 does not sanitise and escape some of its gallery settings, which could allow high privilege users to perform Cross-Site scripting attacks even when the unfiltered_html capability is disallowed.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://wpscan.com/vulnerability/ad67e45e-254a-46ce-a243-bfc86839446e ExploitThird Party Advisory
https://wpscan.com/vulnerability/ad67e45e-254a-46ce-a243-bfc86839446e ExploitThird Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2021-24903), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.