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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,3.29.0]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "matching", "scores": [{"score": 99.0, "source": "matching"}]}, "original": {"product": "WishList Member X", "source": "cna", "vendor": "Membership Software"}, "product": "wishlist_member_x", "vendor": "membershipsoftware"}, {"configurations": [{"platform": null, "status": "unaffected", "versions": null}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "wordpress", "vendor": "wordpress"}], "analysis": {"en": {"generated_at": "2026-04-28T22:14:45.306987+00:00", "value": {"mitigation_remediation": ["Upgrade WishList Member X to a version newer than 3.29.0 (e.g., 3.30.0 or later).", "If an upgrade is not immediately possible, temporarily deactivate the WishList Member X plugin until a patch becomes available.", "Configure a web application firewall or similar security solution to block crafted serialized payloads from reaching the plugin\u2019s endpoints."], "summary": {"action": "Immediate Patch", "impact": "Potential Remote Code Execution via Object Injection"}, "threat_synthesis": {"affected_systems": "Any WordPress site that has the WishList Member X plugin installed in a version from the initial release up to and including 3.29.0 is vulnerable. No specific sub\u2011version range is listed beyond the upper bound of 3.29.0.", "description_and_impact": "The vulnerability is a Deserialization of Untrusted Data flaw in the WishList Member X WordPress plugin, affecting all releases up to 3.29.0. It enables a malicious actor to inject PHP objects during deserialization, which can lead to arbitrary code execution, privilege escalation, or unauthorized data access when the plugin processes supplied data. The weakness is classified as CWE\u2011502.", "risk_and_exploitability": "The CVSS score of 8.8 indicates high severity. The EPSS score of < 1% shows a very low but non\u2011zero likelihood of exploitation in the wild, and the vulnerability is not listed in the CISA KEV catalog. It is inferred that the attack vector is remote, leveraging the plugin\u2019s handling of serialized data\u2014likely via HTTP requests that deliver unchecked payloads. Exploitation would require the attacker to supply crafted serialized input to the plugin, which will be processed without proper validation."}}}}, "created": "2026-03-20T08:57:03.163694+00:00", "updated": "2026-04-28T22:15:41.375104+00:00", "vendors": ["membershipsoftware", "membershipsoftware$PRODUCT$wishlist_member_x", "wordpress", "wordpress$PRODUCT$wordpress"]}