EUVD-2026-60893
GHSA-m762-8f34-253f
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Network-accessible unauthenticated injection with scope change; availability impact dropped to N as XSS does not directly impair system availability.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
Lifecycle Timeline
2DescriptionCVE.org
Unauthenticated Cross Site Scripting (XSS) in Quill Forms <= 5.7.1 versions.
AnalysisAI
Unauthenticated cross-site scripting in Quill Forms WordPress plugin version 5.7.1 and earlier allows remote attackers without any credentials to inject malicious scripts into pages rendered by the plugin. Because the CVSS vector indicates a scope change (S:C), successful exploitation can affect the browser session of authenticated users - including site administrators - who view attacker-controlled content. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No authentication is required to deliver the initial XSS payload - the plugin accepts malicious input from unauthenticated users, consistent with PR:N in the CVSS vector. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 7.1 is driven primarily by the network attack vector, no authentication requirement (PR:N), and scope change (S:C), which together indicate a real path from a remote unauthenticated attacker to impacting authenticated users. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | Update the Quill Forms WordPress plugin to the latest available version beyond 5.7.1, following guidance in the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/quillforms/vulnerability/wordpress-quill-forms-plugin-5-7-1-cross-site-scripting-xss-vulnerability?_s_id=cve. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Audit all WordPress installations for Quill Forms plugin version 5.7.1 or earlier and evaluate feasibility of disabling or removing the plugin. …
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More in Quill Forms
View allSame weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
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