CVE-2021-47929

WordPress Plugin Filterable Portfolio Gallery 1.0 Stored XSS

Published May 10, 2026 CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Bestwebsoft
Bestwebsoft portfolio
CPEs cpe:2.3:a:bestwebsoft:portfolio:1.0:*:*:*:*:wordpress:*:*
Vendors & Products Bestwebsoft
Bestwebsoft portfolio
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Filterable-portfolio
Filterable-portfolio filterable Portfolio Gallery
Wordpress
Wordpress wordpress
Vendors & Products Filterable-portfolio
Filterable-portfolio filterable Portfolio Gallery
Wordpress
Wordpress wordpress
Type Values Removed Values Added
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.
Title WordPress Plugin Filterable Portfolio Gallery 1.0 Stored XSS
Weaknesses CWE-79
References
Metrics cvssV3_1

{'score': 6.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Jul 28, 2026, 1:47 AM
Reserved
Feb 1, 2026, 11:24 AM
Status
Deferred
Published
May 10, 2026, 1:16 PM
Modified
Jul 25, 2026, 10:10 AM