Description
The Subscribe to Comments WordPress plugin before 2.3.3 does not properly validate a parameter before reflecting it into a link target, allowing unauthenticated attackers to perform Reflected Cross-Site Scripting via a crafted URL against anyone who clicks it, including administrators.
Published: 2026-10-11
Score: 7.1 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Sun, 11 Oct 2026 12:30:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Sun, 11 Oct 2026 08:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-79

Sun, 11 Oct 2026 06:30:00 +0000

Type Values Removed Values Added
Description The Subscribe to Comments WordPress plugin before 2.3.3 does not properly validate a parameter before reflecting it into a link target, allowing unauthenticated attackers to perform Reflected Cross-Site Scripting via a crafted URL against anyone who clicks it, including administrators.
Title Subscribe to Comments < 2.3.3 - Reflected XSS via 'ref' Parameter
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: WPScan

Published:

Updated: 2026-10-11T11:32:40.394Z

Reserved: 2026-09-15T08:14:17.296Z

Link: CVE-2026-91829

cve-icon Vulnrichment

Updated: 2026-10-11T11:14:04.809Z

cve-icon NVD

Status : Received

Published: 2026-10-11T07:17:29.193

Modified: 2026-10-11T12:17:28.387

Link: CVE-2026-91829

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-11T08:00:13Z

Weaknesses