CVE-2021-47951
📛 CVE Title
(no title)
Description
WordPress Picture Gallery 1.4.2 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts through the Edit Content URL field in the Access Control settings. Attackers can enter JavaScript payloads in the plugin options that are stored in the database and executed when the functionality is triggered, enabling session hijacking or credential theft.
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-2021-47951
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 13:16:31 UTC
- NVD last modified
- 2026-05-12 14:24:15 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
- 9.57% 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 23:59 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-2021-34811 - Assigner
- VulnCheck
- Published
- May 10, 2026, 12:52:12 PM
- Updated
- May 24, 2026, 1:37:13 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
- picture-gallery
- Products
-
Picture Gallery (1.4.2)
ENISA description: WordPress Picture Gallery 1.4.2 contains a stored cross-site scripting vulnerability that allows authenticated attackers to inject malicious scripts through the Edit Content URL field in the Access Control settings. Attackers can enter JavaScript payloads in the plugin options that are stored in the database and executed when the functionality is triggered, enabling session hijacking or credential theft.
Vendor references (0)
References embedded in the original CVE record by the assigning CNA.
None in the CVE record.
Web references (6)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
- https://nvd.nist.gov/vuln/detail/CVE-2021-47951 tenable:nvd.nist.gov
- https://wordpress.org/plugins/picture-gallery/ tenable:wordpress.org
- https://www.cve.org/CVERecord?id=CVE-2021-47951 tenable:www.cve.org
- https://www.exploit-db.com/exploits/50187 tenable:www.exploit-db.com
- https://www.first.org/epss/ tenable:www.first.org
- https://www.vulncheck.com/advisories/wordpress-picture-gallery-stored-xss-via-edit-content-url tenable:www.vulncheck.com
NVD-tagged references (3)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
- https://wordpress.org/plugins/picture-gallery/ disclosure@vulncheck.com
- https://www.exploit-db.com/exploits/50187 disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/wordpress-picture-gallery-stored-xss-via-edit-content-url disclosure@vulncheck.com
Remediations (10)
-
web:attack.mitre.org
This mitigation can be implemented through the following measures: Regular Operating System Updates Implementation: Apply the latest Windows security updates monthly using WSUS (Windows Server Update Services) or a similar patch management solution. Configure systems to check for updates automatically and schedule reboots during maintenance ...
2026-05-26 03:07 UTC -
web:federalnewsnetwork.com
CISA this year has already started accelerating the deadlines for agencies to patch software bugs posted to the Known Exploited Vulnerabilities (KEV) catalog.
2026-05-26 03:07 UTC -
web:learn.microsoft.com
Use the DISM tool to fix problems that prevent Windows Update from installing successfully.
2026-05-26 03:07 UTC -
web:nvd.nist.gov
Vulnerabilities All vulnerabilities in the NVD have been assigned a CVE identifier and thus, abide by the definition below. CVE defines a vulnerability as: "A weakness in the computational logic (e.g., code) found in software and hardware components that, when exploited, results in a negative impact to confidentiality, integrity, or availability. Mitigation of the vulnerabilities in this ...
2026-05-26 03:07 UTC -
web:support.servicenow.com
Overview The advisories below document publicly disclosed Common Vulnerabilities and Exposures ( CVEs ) in the Now Platform by ServiceNow. Because ServiceNow uses various methods to communicate vulnerability information, patches, and other fixes, customers should review family, security patch , and hotfix release notes, which are available at https://docs.servicenow.com, for a complete list of ...
2026-05-26 03:07 UTC -
web:www.neowin.net
Microsoft has released Patch Tuesday updates for Windows 11 KB5077181, KB5075941 for February 2026. Here's what's included.
2026-05-26 03:07 UTC -
web:www.notebookcheck.net
Microsoft's February 2026 Windows 11 updates (KB5077181 and KB5075941) add security patches, bug fixes, and new Secure Boot rollout signals ahead of certificate expirations starting in June 2026.
2026-05-26 03:07 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 03:07 UTC -
web:www.thewindowsclub.com
Use DISM Tool in Windows 11/10 to fix corrupted Windows Update files using this syntax. If the Windows Update client is already broken, do this.
2026-05-26 03:07 UTC -
web:www.windowscentral.com
The Jan 2026 Windows 11 update is causing boot failures for some, with PCs getting stuck at startup or refusing to load the OS entirely. Here's the fix .
2026-05-26 03:07 UTC
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