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CVE-2026-52763 is a stored SQL injection vulnerability in YesWiki affecting the recentchanges action. The flaw is caused by insufficient validation and sanitization of the period action argument before it is incorporated into a database query. An attacker able to save wiki content containing a crafted recentchanges invocation can persist malicious input in a page. When that page is later rendered, the application executes the injected SQL in the context of the backend database connection, allowing unauthorized query manipulation and exposure of database contents.
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recentchanges action in untrusted content, and audit existing pages for malicious use of the period argument. Where possible, tighten write access controls from permissive default configurations and ensure the database account used by the application has the minimum privileges necessary to reduce exposure.Patch, then assume compromise.
recentchanges invocations and remove or sanitize any attacker-controlled period arguments that may have been persisted before remediation.No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
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No public activity tracked yet. Mallory keeps watching.
No public activity observed for this vulnerability.
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Cross-references every affected SKU, including bundled OEM variants.
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