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MapSVG CVE-2026-82852

| EUVDEUVD-2026-68775 MEDIUM
Server-Side Request Forgery (SSRF) (CWE-918)
2026-08-31 Patchstack GHSA-mvxj-8qhj-g2wr
5.4
CVSS 3.1 · Vendor: Patchstack
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Severity by source

Vendor (Patchstack) PRIMARY
5.4 MEDIUM
AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
vuln.today AI
4.0 MEDIUM

SSRF enables read-only internal reconnaissance via scope change; integrity impact dropped to N as forged requests do not inherently write data.

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

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

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

Lifecycle Timeline

1
Analysis Generated
Aug 31, 2026 - 21:27 vuln.today

DescriptionCVE.org

Unauthenticated Server Side Request Forgery (SSRF) in MapSVG <= 8.15.0 versions.

AnalysisAI

Server-Side Request Forgery in the MapSVG WordPress plugin (versions <= 8.15.0) exposes the hosting WordPress server as a proxy to internal or adjacent network resources, reachable without authentication. The CVSS scope-change indicator (S:C) confirms that successful exploitation can cause the server to issue requests beyond the WordPress application boundary, potentially exposing internal APIs, cloud metadata endpoints, or intranet services. …

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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 MapSVG plugin (version <= 8.15.0) must be installed and active on the WordPress site - this is a plugin-specific vulnerability, not a WordPress core issue. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment CVSS 5.4 Medium with AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N presents a nuanced risk picture: the absence of any authentication requirement lowers the barrier to attempting exploitation, but the AC:H metric meaningfully constrains real-world exploitation rates, reflecting that specific request conditions or parameter values must align correctly. … 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 MapSVG to a version beyond 8.15.0 per the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/mapsvg-lite-interactive-vector-maps/vulnerability/wordpress-mapsvg-plugin-8-15-0-server-side-request-forgery-ssrf-vulnerability - the exact patched release version is not independently confirmed from available data, so verify the current plugin version in the WordPress repository before upgrading. … Detailed patch versions, workarounds, and compensating controls in full report.

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-82852 vulnerability details – vuln.today

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