CVE-2021-47929

MEDIUM 6.4

WordPress Plugin Filterable Portfolio Gallery 1.0 Stored XSS

CVSS Score

6.4

EPSS Score

0.0%

EPSS Percentile

9th

Filterable Portfolio Gallery 1.0 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious JavaScript by entering payloads in the title field. Attackers can store JavaScript code like image tags with onerror handlers that execute when the gallery is previewed, affecting all users viewing the page.

CWE	CWE-79
Vendor	filterable-portfolio
Product	filterable portfolio gallery
Published	May 10, 2026
Last Updated	May 11, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

None

Integrity

None

Availability

None

Affected Versions

Filterable-Portfolio / Filterable Portfolio Gallery

1.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

exploit-db.com: https://www.exploit-db.com/exploits/50458 filterable-portfolio.com: http://www.filterable-portfolio.com/ wordpress.org: https://wordpress.org/plugins/fg-gallery/ vulncheck.com: https://www.vulncheck.com/advisories/wordpress-plugin-filterable-portfolio-gallery-stored-xss

Credits

Murat DEMIRCI (@butterflyhunt3r)