EUVD-2026-53994
GHSA-vwq7-f8p8-h8fh
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Unauthenticated network-reachable deserialization with no user interaction (AV:N/AC:L/PR:N/UI:N); High C/I/A assumed given a reachable POP gadget chain enabling code/data compromise.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
2DescriptionCVE.org
Unauthenticated PHP Object Injection in Adrena <= 1.2.14 versions.
AnalysisAI
Unauthenticated PHP Object Injection in the Adrena WordPress theme (AncoraThemes) affects all versions up to and including 1.2.14, allowing remote attackers with no authentication to inject crafted serialized PHP objects that are deserialized by the theme. Exploitation can lead to full compromise (confidentiality, integrity and availability all High) when a suitable gadget chain is present in the WordPress core, an active plugin, or another theme. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Exploitation requires that the Adrena theme (version ≤ 1.2.14) be active on the target WordPress site and reachable over the network, and that attacker input reach the theme's PHP deserialization sink. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The signals are mostly one-directional toward high theoretical severity but with meaningful uncertainty on real-world exploitation. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | A remote, unauthenticated attacker sends a crafted HTTP request to a vulnerable Adrena-powered WordPress site containing a serialized PHP object payload that reaches the theme's deserialization sink. If a compatible gadget chain is present in WordPress core or an installed plugin/theme, the injected object triggers magic-method execution during unserialization, enabling actions such as arbitrary file operations, data theft, or code execution depending on the available gadgets. … |
| Remediation | No vendor-released patch version was identified in the provided intelligence, so a confirmed fix release cannot be cited; administrators should consult the Patchstack advisory (https://patchstack.com/database/wordpress/theme/adrena/vulnerability/wordpress-adrena-theme-1-2-14-php-object-injection-vulnerability) and the AncoraThemes/ThemeForest product page for any release newer than 1.2.14 and upgrade to it immediately once available. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours: Inventory all WordPress installations running Adrena theme versions 1.2.14 and earlier; review web server and application logs for exploitation attempts targeting theme files; prepare incident response procedures and backup restoration plans. …
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Same weakness CWE-502 – Deserialization of Untrusted Data
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External POC / Exploit Code
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