CVE-2026-91073
📛 CVE Title
Subscribe Forms 1.4.1 - 1.6.2 - Author+ Stored XSS via Attention Effect Form Setting
Description
The Subscribe Forms WordPress plugin before 1.6.3 does not sanitise and escape one of its form settings before outputting it in a page, allowing authenticated users with the Author role and above to perform Stored Cross-Site Scripting attacks that execute in the browser of any visitor who views a page embedding the form, including logged-out visitors and administrators.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- WPScan
- CVSS severity
- —
- CVSS score
- —
- CVSS vector
- —
- Effective score
- 6.8 / 10 MEDIUM source: NVD
- CWE(s)
-
CWE-79 Cross-Site Scripting (XSS) - Reserved
- 2026-09-14
- Published
- 2026-09-23 06:00 UTC
- Last updated
- 2026-09-23 10:51 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/91xxx/CVE-2026-91073.json
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
- 2026-09-23 06:17:05 UTC
- NVD last modified
- 2026-09-23 18:12:32 UTC
- NVD CVSS v3.1
- 6.8 / 10 MEDIUM source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
- NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H- Exploitability subscore
- 0.9 / 10
- Impact subscore
- 5.9 / 10
- EPSS score
- 0.0022 (probability of exploitation in next 30 days)
- EPSS percentile
- 12.33% vs all CVEs — higher = more likely to be exploited, as of 2026-09-23
NVD-assigned CWE(s):
CWE-79
(differs from the CNA list above)
NVD / KEV / EPSS data refreshed 2026-09-24 04:31 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-2026-85058 - Assigner
- WPScan
- Published
- Sep 23, 2026, 6:00:22 AM
- Updated
- Sep 23, 2026, 10:51:58 AM
- EUVD base score (CVSS 3.1)
-
6.8 / 10
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H - EUVD-reported EPSS
- 0.2200
- Vendors
- Unknown
- Products
-
Subscribe Forms (1.4.1 <1.6.3)
- Aliases
-
GHSA-48ww-7gg7-h943
ENISA description: The Subscribe Forms WordPress plugin before 1.6.3 does not sanitise and escape one of its form settings before outputting it in a page, allowing authenticated users with the Author role and above to perform Stored Cross-Site Scripting attacks that execute in the browser of any visitor who views a page embedding the form, including logged-out visitors and administrators.
EUVD references (1)
Affected products (1)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| Unknown | Subscribe Forms |
1.4.1 (affected)
|
— |
Vendor references (1)
References embedded in the original CVE record by the assigning CNA.
- https://wpscan.com/vulnerability/50d0d5b6-2204-4af3-92d5-75085ce2f176/ exploitvdb-entrytechnical-description
Web references (0)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
No web references attached yet.
NVD-tagged references (1)
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://wpscan.com/vulnerability/50d0d5b6-2204-4af3-92d5-75085ce2f176/ contact@wpscan.com
Remediations (10)
-
web:dailysecurityreview.com
Ivanti disclosed CVE - 2026 -6973, an actively exploited RCE vulnerability in EPMM 12.8.0.0 and earlier. CISA set a May 10 federal remediation deadline.
2026-09-24 11:47 UTC -
web:feedly.com
The Subscribe Forms WordPress plugin before 1.6.3 does not sanitise and escape one of its form settings before outputting it in a page, allowing authenticated users with the Author role and above to perform Stored Cross-Site Scripting attacks that execute in the browser of any visitor who views a page embedding the form, including logged-out visitors and administrators.
2026-09-24 11:47 UTC -
web:freshysites.com
Security Alert Summary The Subscribe Forms WordPress plugin prior to version 1.6.3 contains a stored cross-site scripting (XSS) vulnerability. The plugin fails to properly sanitize and escape a form setting before output, allowing authenticated users with the Author role and above to inject script that will execute in the browser of any visitor who views
2026-09-24 11:47 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.
2026-09-24 11:47 UTC -
web:sec.cloudapps.cisco.com
On September 16, 2026 , the Cisco Product Security Incident Response Team (PSIRT) published the advisories that are listed in the following tables. To remediate these vulnerabilities, Cisco strongly recommends that customers upgrade to the fixed software that is indicated in the advisories. For more information about changes in Cisco PSIRT vulnerability disclosure, see Strengthening the ...
2026-09-24 11:47 UTC -
web:senserva.com
Every Microsoft security patch (KB) and the CVEs it fixes, with severity, CVSS, and CISA KEV status. Cross-linked to the CVE reference.
2026-09-24 11:47 UTC -
web:support.microsoft.com
Be aware that the update in the Microsoft Download Center applies to the Microsoft Installer (.msi)-based edition of Office 2016. It doesn't apply to the Office 2016 Click-to-Run editions, such as Microsoft Office 365 Home. (See What version of Office am I using?) How to get and install the update Method 1: Microsoft Update This update is available from Microsoft Update. When you turn on ...
2026-09-24 11:47 UTC -
web:support.microsoft.com
This Hotpatch update for Windows 11, version 25H2 and 24H2 (KB5079420), improves functionality, performance, and reliability. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained. For information on Windows update terminology, see the different types of ...
2026-09-24 11:47 UTC -
web:www.forbes.com
Microsoft has patched 973 vulnerabilities, including actively exploited Windows CVE - 2026 -85880 and CVE - 2026 -81963 bugs. How should your organization respond to stay safe?
2026-09-24 11:47 UTC -
web:www.oracle.com
This Critical Patch Update contains 1448 new security patches across the product families listed below. Please note that a My Oracle Support (MOS) note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at July 2026 Critical Patch Update: Executive Summary and Analysis.
2026-09-24 11:47 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2026-91073.json.
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