CVE-2021-47929 | THREATINT

Description

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.

PUBLISHED Reserved 2026-02-01 | Published 2026-05-10 | Updated 2026-05-10 | Assigner VulnCheck

MEDIUM: 5.1CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

MEDIUM: 6.4CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Problem types

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

1.0

affected

Credits

Murat DEMIRCI (@butterflyhunt3r) finder

References

www.exploit-db.com/exploits/50458 (ExploitDB-50458) exploit

www.filterable-portfolio.com/ (Official Product Homepage) product

wordpress.org/plugins/fg-gallery/ (Product Reference) product

www.vulncheck.com/...filterable-portfolio-gallery-stored-xss (VulnCheck Advisory: WordPress Plugin Filterable Portfolio Gallery 1.0 Stored XSS) third-party-advisory

cve.org (CVE-2021-47929)

nvd.nist.gov (CVE-2021-47929)

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