EUVD-2026-89852
GHSA-4j3c-4rq5-vcq4
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Remote, low-complexity object injection needing only a Contributor account (PR:L, no UI); accept vendor's full C/I/A:H assuming a reachable POP gadget chain, scope unchanged.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
Lifecycle Timeline
2DescriptionCVE.org
Contributor PHP Object Injection in DesignSetGo <= 2.8.0 versions.
AnalysisAI
PHP object injection in the WordPress plugin DesignSetGo 2.8.0 and earlier allows an authenticated user with Contributor-level access to submit a crafted serialized payload, which the plugin then deserializes, potentially leading to data theft, file manipulation, or remote code execution depending on which PHP gadget chains are reachable in the site's loaded code. The CVSS 3.1 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H, base 8.8) confirms remote, low-complexity exploitation requiring only a low-privileged authenticated account and no user interaction, and the impact is assessed as high across confidentiality, integrity, and availability - though the practical outcome depends on the presence of a usable gadget chain. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires an authenticated WordPress account at Contributor level or higher (PR:L) on a site running DesignSetGo ≤ 2.8.0 - exploitation is not possible for fully unauthenticated visitors. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 base score of 8.8 (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) reflects network-reachable, low-complexity exploitation requiring only low-privilege authentication (PR:L), which in WordPress terms maps to the stated Contributor role - a self-registerable or easily-obtained account on many sites with open registration or editorial workflows. … 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 | No vendor-released patch version is identified in the available data - the only supplied reference is the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/designsetgo/vulnerability/wordpress-designsetgo-plugin-2-8-0-php-object-injection-vulnerability?_s_id=cve, which should be checked for the current fixed release before any upgrade. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory every WordPress site running DesignSetGo 2.8.0 or earlier, confirm no vendor-released patch is available, and deactivate or remove the plugin entirely as the primary remediation; simultaneously audit and disable self-registration and any unused or unknown Contributor-level accounts, since that role is the required vector. …
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External POC / Exploit Code
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