WordPress APCu Manager plugin < 4.5.0 - Unauthenticated Stored XSS via Cache Key Pollution vulnerability

Unauthenticated Stored XSS via Cache Key Pollution vulnerability discovered by Alessandro Greco aka Aleff, Giovanbattista Ianni University of Calabria - UNICAL in WordPress Plugin APCu Manager versions 4.5.0...

PT-2026-93900

Name of the Vulnerable Software and Affected Versions oRPC versions prior to 1.14.8 Description The CORS plugin in the @orpc/server package, specifically within packages/server/src/plugins/cors.ts, incorrectly copies the Vary request header from the client directly into the response. The Vary...

GHSA-CW3J-28QQ-X3XH Duplicate Advisory: Hono vulnerable to Vary Header Injection leading to potential CORS Bypass

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-q7jf-gf43-6x6p. This link is maintained to preserve external references. Original Description Hono before 4.10.2 fixed in 4.10.3 contains a flaw in its CORS middleware: when the origin is not set to "", the...

Duplicate Advisory: Hono vulnerable to Vary Header Injection leading to potential CORS Bypass

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-q7jf-gf43-6x6p. This link is maintained to preserve external references. Original Description Hono before 4.10.2 fixed in 4.10.3 contains a flaw in its CORS middleware: when the origin is not set to "", the...

PT-2026-105504

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-q7jf-gf43-6x6p. This link is maintained to preserve external references. Original Description Hono before 4.10.2 fixed in 4.10.3 contains a flaw in its CORS middleware: when the origin is not set to "", the...

CVE-2025-71381: Improper Neutralization of CRLF Sequences in HTTP Headers

Hono before 4.10.2 fixed in 4.10.3 contains a flaw in its CORS middleware: when the origin is not set to "", the middleware copies the Vary header from the incoming request into the response. Because Vary is a response header that should be managed by the server, an attacker can supply arbitrary...

CVE-2026-10083 APCu Manager < 4.5.0 - Unauthenticated Stored XSS via Cache Key Pollution

The APCu Manager WordPress plugin before 4.5.0 does not escape APCu object-cache keys before rendering them in an admin-area page, leading to a Stored Cross-Site Scripting vulnerability. When a persistent object cache is enabled, cache keys derived from unsanitised user input e.g. a transient nam...

CVE-2026-10083

The APCu Manager WordPress plugin (versions before 4.5.0 ) is vulnerable to Stored Cross-Site Scripting (XSS) . The root cause is the failure to escape APCu object-cache keys before rendering them on an admin-area page. If a persistent object cache is active, an unauthenticated attacker can provi...

CVE-2026-10083 APCu Manager < 4.5.0 - Unauthenticated Stored XSS via Cache Key Pollution

The APCu Manager WordPress plugin before 4.5.0 does not escape APCu object-cache keys before rendering them in an admin-area page, leading to a Stored Cross-Site Scripting vulnerability. When a persistent object cache is enabled, cache keys derived from unsanitised user input e.g. a transient nam...

PT-2025-45759

Summary A flaw in the CORS middleware allowed request Vary headers to be reflected into the response, enabling attacker-controlled Vary values and potentially affecting cache behavior. Details The middleware previously copied the Vary header from the request when origin was not set to "". Since...