CVE-2021-47929
📛 CVE Title
(no title)
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.
Overview
- State
- —
- Assigner (CNA)
- —
- CVSS severity
- medium
- CVSS score
- 6.4 / 10
- CVSS vector
AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N- Effective score
- 6.4 / 10 MEDIUM source: CNA overview
- CWE(s)
- —
- Reserved
- —
- Published
- —
- Last updated
- —
- Source
- https://www.tenable.com/cve/CVE-2021-47929
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2026-05-10 13:16:29 UTC
- NVD last modified
- 2026-05-13 15:30:24 UTC
- NVD CVSS v3.1
- 6.4 / 10 MEDIUM source: disclosure@vulncheck.com
- NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N- Exploitability subscore
- 3.1 / 10
- Impact subscore
- 2.7 / 10
- EPSS score
- 0.0003 (probability of exploitation in next 30 days)
- EPSS percentile
- 10.24% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24
NVD-assigned CWE(s):
CWE-79
(differs from the CNA list above)
NVD / KEV / EPSS data refreshed 2026-05-24 23:58 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2021-34791 - Assigner
- VulnCheck
- Published
- May 10, 2026, 12:43:50 PM
- Updated
- May 24, 2026, 1:37:09 AM
- EUVD base score (CVSS 4.0)
-
5.1 / 10
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 - EUVD-reported EPSS
- 0.0300
- Vendors
- Filterable-Portfolio
- Products
-
Filterable Portfolio Gallery (1.0)
ENISA 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.
Vendor references (0)
References embedded in the original CVE record by the assigning CNA.
None in the CVE record.
Web references (7)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
- http://www.filterable-portfolio.com/ tenable:www.filterable-portfolio.com
- https://nvd.nist.gov/vuln/detail/CVE-2021-47929 tenable:nvd.nist.gov
- https://wordpress.org/plugins/fg-gallery/ tenable:wordpress.org
- https://www.cve.org/CVERecord?id=CVE-2021-47929 tenable:www.cve.org
- https://www.exploit-db.com/exploits/50458 tenable:www.exploit-db.com
- https://www.first.org/epss/ tenable:www.first.org
- https://www.vulncheck.com/advisories/wordpress-plugin-filterable-portfolio-gallery-stored-xss tenable:www.vulncheck.com
NVD-tagged references (4)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
- http://www.filterable-portfolio.com/ disclosure@vulncheck.com
- https://wordpress.org/plugins/fg-gallery/ disclosure@vulncheck.com
- https://www.exploit-db.com/exploits/50458 disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/wordpress-plugin-filterable-portfolio-gallery-stored-xss disclosure@vulncheck.com
Remediations (10)
-
web:blog.qualys.com
Key Takeaways RedSun is a critical zero-day vulnerability in Microsoft Defender that allows low-privileged users to gain SYSTEM access No patch is currently available, leaving all Defender-enabled Windows systems potentially exposed Qualys VMDR detects affected assets instantly (QID 92382) TruRisk™ Eliminate enables immediate mitigation , removing exploitability without waiting for a fix ...
2026-05-26 03:06 UTC -
web:cyberpress.org
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added two actively exploited Microsoft Defender vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, issuing an urgent remediation directive for federal agencies with a due date of June 3, 2026.
2026-05-26 03:06 UTC -
web:msrc.microsoft.com
The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.
2026-05-26 03:06 UTC -
web:support.microsoft.com
Provides Windows client guidance for IT Pros to protect against speculative execution side-channel vulnerabilities.
2026-05-26 03:06 UTC -
web:www.bugcrowd.com
Vulnerability mitigation is typically considered a temporary or interim solution. While mitigation measures can reduce the immediate risk associated with vulnerabilities, they may not provide a permanent fix . Organizations should aim to prioritize and plan for complete vulnerability remediation whenever feasible and allocate resources accordingly.
2026-05-26 03:06 UTC -
web:www.crowdstrike.com
Microsoft's April 2026 Patch Tuesday addresses 164 CVEs , featuring 8 Critical vulnerabilities, one exploited zero-day, and one disclosed zero-day.
2026-05-26 03:06 UTC -
web:www.csoonline.com
New PoC shows how Microsoft Defender can be tricked into rewriting malicious files into protected locations, enabling SYSTEM-level privilege escalation on fully patched Windows systems.
2026-05-26 03:06 UTC -
web:www.oracle.com
This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.
2026-05-26 03:06 UTC -
web:www.secpod.com
The second Tuesday of the month has arrived, bringing another significant wave of Microsoft security updates. In February 2026, Microsoft issued patches for 58 vulnerabilities, including six actively exploited zero-day flaws and five rated Critical. As part of this month's release, Microsoft has also begun rolling out updated Secure Boot certificates ahead of the June 2026 expiration of the ...
2026-05-26 03:06 UTC -
web:www.secure.com
Learn the difference between vulnerability remediation and mitigation , and how a risk-based strategy can strengthen your security posture.
2026-05-26 03:06 UTC
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