Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain
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AccessReach deserialization endpoint on WordPress site
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DeliverySubmit crafted serialized PHP payload
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ExploitTrigger object injection via unsafe deserialize
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ExecutionChain reachable POP gadget
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ImpactAchieve code execution or data compromise
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A08:2025 - Software or Data Integrity Failures
ASVS 5.0
V1 - Encoding and Sanitization Safe deserialization, type allowlists
MITRE ATT&CK
2 techniques across 2 tactics: Execution, Initial Access The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Exploitation Conditions | The description states only that Reprizo through 1.0.8 deserializes untrusted data and 'allows Object Injection' - it does NOT name the specific endpoint, parameter, protocol, or configuration that reaches the vulnerable deserialize call, so the trigger is not described in the available sources. The supplied CVSS vector claims no authentication (PR:N) and no user interaction (UI:N), implying default exposure, but this cannot be independently verified from the description alone. The principal LIMITING factor for realistic impact is inherent to PHP object injection: meaningful compromise generally requires a usable POP gadget chain present in the theme or an installed plugin, and the sources do not confirm such a chain exists for Reprizo. Deployment is also limited to sites running this specific axiomthemes theme at version 1.0.8 or earlier. |
| Impact | This is a PHP Object Injection flaw (CWE-502) in the axiomthemes 'Reprizo' WordPress theme, versions up to and including 1.0.8, reported by Patchstack and assigned a vendor CVSS of 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H). The vuln.today decision label is act_now, which aligns with the maximal severity score and signals this should be treated as a priority for patching rather than a high-CVSS-but-low-real-risk issue. However, several key exploitation signals are MISSING and must be stated explicitly: there is NO EPSS score provided, so exploitation probability cannot be quantified; KEV status is NOT indicated, so there is no evidence of confirmed active exploitation; and the sole reference is the Patchstack database advisory, not a working exploit, so no public exploit code is identified. The CVSS vector asserts remote, unauthenticated, no-interaction exploitation, but the description does not describe HOW the vulnerable deserialization is reached - the trigger is not described in the available sources. For PHP object injection specifically, the real-world C:H/I:H/A:H impact typically depends on a usable POP gadget chain being present in the theme or an installed plugin, and the sources do not confirm such a chain, so the worst-case impact is asserted by the vendor rather than demonstrated. Net: treat as a genuine high priority to patch (act_now), but note the urgency rests on severity and the decision label, not on confirmed exploitation or a verified PoC. |
| Exploit ScenarioDerived | A remote attacker submits crafted, serialized PHP data to a Reprizo theme code path that deserializes untrusted input, instantiating attacker-controlled objects. If a suitable POP gadget chain is reachable in the theme or site, this object injection can escalate to file operations, SQL interaction, or remote code execution on the WordPress host. No public exploit code is identified at time of analysis, and the exact triggering endpoint is not described in the available sources. |
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Alert meAnalysisAIv1 – Oct 23, 2026
PHP object injection in the axiomthemes Reprizo WordPress theme, versions through 1.0.8, lets remote attackers supply serialized data that the theme passes to an unsafe deserialization call, potentially leading to object injection in the WordPress runtime. The vendor-assigned CVSS is 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H), and the priority decision is act_now given the network-reachable, pre-auth vector claimed by the score; only sites running this specific theme at 1.0.8 or earlier are in scope. No public exploit or proof-of-concept has been identified at time of analysis, the issue is not in CISA KEV, and realistic impact hinges on whether a usable POP gadget chain exists in the theme or an accompanying plugin, which the available sources do not confirm.
RemediationAI
No vendor-released patch or fixed version is identified in the available source data; the only reference is the Patchstack advisory at https://patchstack.com/database/wordpress/theme/reprizo/vulnerability/wordpress-reprizo-theme-1-0-8-php-object-injection-vulnerability?_s_id=cve, which should be checked for an updated theme release covering versions after 1.0.8. Because the trigger endpoint and parameter are not described in the sources, no targeted input filtering rule can be specified. The most complete available mitigation is to remove or deactivate the Reprizo theme on any site that does not require it, accepting the loss of the theme's layout and templates, and to replace it with a maintained theme where it is required; additionally, restrict who can install or switch themes and review installed plugins for gadget chains that would make an object injection primitive exploitable, recognizing that this reduces rather than eliminates exposure. Monitor the advisory for a patched theme version and apply it as soon as one is published.
Affected VersionsENISA
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in euvd
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
CWE-502 (Deserialization of Untrusted Data) in a PHP-based WordPress theme means attacker-influenced input reaches PHP's unserialize() machinery, so an attacker controls the class and property values that PHP instantiates. Object injection itself is a primitive: the concrete outcome depends on magic methods (__wakeup, __destruct, __toString) reachable in the loaded codebase, i.e. a property-oriented programming gadget chain. The supplied evidence does not name the endpoint, parameter, hook, AJAX action, or configuration that reaches the vulnerable deserialize call, so the trigger is not described in the available sources, and no gadget chain specific to Reprizo is documented. The CPE cpe:2.3:a:axiomthemes:reprizo:*:*:*:*:*:*:*:* is a wildcard, with the description constraining the affected range to releases through 1.0.8. The CVSS vector contributes AV:N/AC:L/PR:N/UI:N, which describes severity and exposure, not the mechanism of triggering the flaw.
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Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Aligned with the vendor vector for remotely reachable unauthenticated object injection; the trigger is not described, so PR:N and full C/I/A impact are accepted but contingent on a reachable gadget chain.
Primary rating from Vendor (Patchstack).
CVSS VectorVendor: Patchstack
DescriptionCVE.org
Deserialization of Untrusted Data vulnerability in axiomthemes Reprizo reprizo allows Object Injection.This issue affects Reprizo: from n/a through 1.0.8.
Executive ViewAI
The Reprizo WordPress theme (versions through 1.0.8) contains a critical PHP object injection vulnerability that could allow remote, unauthenticated attackers to compromise the website. This affects only sites running this specific theme, but for those organizations, it poses a severe risk of full site takeover, data theft, and reputational harm.
No vendor-released patch identified at time of analysis. Interim mitigations include deploying WAF rules to detect and block serialized object injection attempts, restricting access to the theme's vulnerable endpoints, and conducting regular security monitoring for signs of compromise.
Threat Intelligence Overview
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
Insecure deserialization occurs when an application converts serialized data (a stream of bytes representing an object's state) back into a living object without proper validation.
EUVD-2026-108946
GHSA-4jgx-23fw-g479
NVD
CVE.org
EPSS
Vulnrichment
Exploit-DB