EUVD-2026-89839
GHSA-gc8v-6rr8-h7gc
Severity by source
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Network-reachable but requires Editor/high-privilege account (PR:H); low complexity once authenticated; object injection can yield full CIA impact in the site context, no scope change.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
Lifecycle Timeline
2DescriptionCVE.org
Editor PHP Object Injection in Responsive Slider Gallery <= 1.5.5 versions.
AnalysisAI
PHP object injection in the Responsive Slider Gallery WordPress plugin (versions up to and including 1.5.5) lets an authenticated Editor-level user pass crafted serialized data into an unsafe unserialize() call, potentially triggering arbitrary object instantiation and, given a usable POP gadget chain, file manipulation or remote code execution. The CVSS 3.1 vector (AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H, 7.2) confirms network reachability and full confidentiality, integrity, and availability impact, but the high-privilege prerequisite excludes anonymous or subscriber-level attackers. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires an authenticated WordPress user with Editor-level capabilities (PR:H per CVSS and Patchstack's 'Editor' scoping) on a site running Responsive Slider Gallery <= 1.5.5. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 3.1 vector (AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H, score 7.2) describes a network-reachable PHP Object Injection with full CIA impact but requiring high privileges (PR:H). … 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 is identified for CVE-2026-94122 in the available data, and no fixed version number is supplied; administrators should check the vendor and the Patchstack advisory for a newer release of Responsive Slider Gallery and upgrade or remove the plugin as soon as a fix appears. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, inventory all WordPress installations running Responsive Slider Gallery versions up to and including 1.5.5 and confirm whether any Editor-level or higher accounts are provisioned on those sites; where the plugin is not business-critical, deactivate and remove it, and where it must stay online, temporarily reduce Editor privileges to the minimum necessary and place the affected paths behind WAF inspection for serialized payload patterns. …
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External POC / Exploit Code
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