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ARForms EUVDEUVD-2026-40109

| CVE-2026-57338 HIGH
Cross-site Scripting (XSS) (CWE-79)
2026-06-29 Patchstack GHSA-2gv4-h2pg-hjh9
7.1
CVSS 3.1 · Vendor: Patchstack
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Severity by source

Vendor (Patchstack) PRIMARY
7.1 HIGH
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
vuln.today AI
6.1 MEDIUM

Network-reachable reflected XSS needs no auth (PR:N) but requires victim click (UI:R); scope changes to the browser (S:C) with limited confidentiality/integrity and no genuine availability impact (A:N).

3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low

Lifecycle Timeline

1
Analysis Generated
Jun 29, 2026 - 15:18 vuln.today

DescriptionCVE.org

Unauthenticated Cross Site Scripting (XSS) in ARForms <= 7.1.2 versions.

AnalysisAI

Reflected cross-site scripting in the ARForms WordPress plugin (versions 7.1.2 and earlier) lets an unauthenticated remote attacker inject script into a victim's browser when the victim clicks a crafted link. Because the CVSS scope is changed (S:C), successful injection can affect the broader WordPress session/DOM context rather than only the form. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Craft malicious URL with XSS payload
Delivery
Deliver link via phishing or malicious site
Exploit
Victim clicks link to ARForms endpoint
Execution
Payload reflected and executed in browser
Impact
Steal session or forge actions

Vulnerability AssessmentAI

Exploitation Exploitation requires no authentication (PR:N) but does require victim interaction (UI:R): the target must click or load an attacker-crafted URL carrying the XSS payload into the vulnerable reflected parameter of an ARForms <= 7.1.2 installation. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 3.1 base score is 7.1 (AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L): network-reachable, low complexity, and no privileges required, but exploitation is gated by user interaction (UI:R) since a victim must follow an attacker-supplied link. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker crafts a URL to a vulnerable ARForms endpoint containing a malicious script payload in a reflected parameter and distributes it via phishing email or a malicious page. When a logged-in administrator or site visitor clicks the link, the script executes in their browser under the site's origin, enabling session cookie theft, credential harvesting, or forged actions. …
Remediation No vendor-released patch version was identified in the available data; the primary action is to upgrade to the first ARForms release published after 7.1.2 (verify the exact fixed version directly against the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/arforms/vulnerability/wordpress-arforms-plugin-7-1-2-reflected-cross-site-scripting-xss-vulnerability and the WordPress.org plugin changelog before deploying). … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Conduct inventory of all WordPress installations running ARForms plugin and identify affected versions. …

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EUVD-2026-40109 vulnerability details – vuln.today

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