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LiteSpeed Cache CVE-2026-84761

| EUVDEUVD-2026-70583 HIGH
Server-Side Request Forgery (SSRF) (CWE-918)
2026-09-03 Patchstack GHSA-7xwg-w22f-9qwp
7.2
CVSS 3.1 · Vendor: Patchstack
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Severity by source

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

Unauthenticated network SSRF with scope change to internal systems; C:L/I:L reflect partial info disclosure and limited internal service interaction, not full compromise.

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

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

2
Analysis Generated
Sep 03, 2026 - 17:08 vuln.today
CVE Published
Sep 03, 2026 - 16:31 cve.org
HIGH 7.2

DescriptionCVE.org

Unauthenticated Server Side Request Forgery (SSRF) in LiteSpeed Cache <= 7.9 versions.

AnalysisAI

Unauthenticated SSRF in the LiteSpeed Cache WordPress plugin (versions ≤ 7.9) allows any remote attacker without credentials to induce the WordPress server to issue arbitrary HTTP requests to internal or external endpoints. Reported by Patchstack under CWE-918, this flaw can expose internal infrastructure, cloud metadata services (e.g., AWS IMDSv1 at 169.254.169.254), and backend services not otherwise reachable from the internet. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Impact
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Vulnerability AssessmentAI

Exploitation The LiteSpeed Cache plugin must be installed and active on a WordPress installation running version 7.9 or earlier. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The provided CVSS 3.1 vector (AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N, score 7.2) accurately characterizes a network-exposed, zero-friction SSRF: no authentication, no user interaction, low complexity. … 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 LiteSpeed Cache plugin to a version beyond 7.9 - confirm the current patched release from the WordPress plugin repository or the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/litespeed-cache/vulnerability/wordpress-litespeed-cache-plugin-7-9-server-side-request-forgery-ssrf-vulnerability, as the exact fix version is not confirmed in the provided data. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, conduct immediate inventory of WordPress installations running LiteSpeed Cache plugin versions 7.9 or below and disable or uninstall the plugin unless functionality is irreplaceable; if removal is not possible, isolate the affected server from external internet access pending mitigation. …

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CVE-2026-84761 vulnerability details – vuln.today

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