CVE-2026-104456 YesWiki before 4.6.7 Second-Order SQL Injection via ACL Username

YesWiki before 4.6.7 contains a second-order SQL injection vulnerability in AclService::updateRequestWithACL, where a stored username is concatenated unescaped into a read-ACL LIKE clause. Attackers can self-register an account name containing a double-quote payload, then load non-admin...

EUVD-2026-91467

YesWiki before 4.6.7 contains a second-order SQL injection vulnerability in AclService::updateRequestWithACL, where a stored username is concatenated unescaped into a read-ACL LIKE clause. Attackers can self-register an account name containing a double-quote payload, then load non-admin...

CVE-2026-104456

YesWiki versions prior to 4.6.7 are vulnerable to a second-order SQL injection in the AclService::updateRequestWithACL function. The root cause is the unescaped concatenation of a stored username into a read-ACL LIKE clause. An attacker can exploit this by self-registering an account with a usern...

CVE-2026-104454

YesWiki versions before 4.6.7 are vulnerable to an algorithmic-complexity denial of service within the wakka.php formatter. The root cause is an O(n^2) markdown-link regular expression that allows unauthenticated attackers to submit a small, specially crafted body of bracket characters to the pag...

CVE-2026-104454 YesWiki before 4.6.7 ReDoS via wakka.php Edit-Preview Endpoint

YesWiki before 4.6.7 contains an algorithmic-complexity denial of service in the wakka.php formatter due to an On^2 markdown-link regex. Unauthenticated attackers can submit a small crafted body of bracket characters to the page-edit preview endpoint to pin PHP-FPM workers and saturate the pool...

CVE-2026-104454 YesWiki before 4.6.7 ReDoS via wakka.php Edit-Preview Endpoint

YesWiki before 4.6.7 contains an algorithmic-complexity denial of service in the wakka.php formatter due to an On^2 markdown-link regex. Unauthenticated attackers can submit a small crafted body of bracket characters to the page-edit preview endpoint to pin PHP-FPM workers and saturate the pool...

CVE-2026-104454 YesWiki before 4.6.7 ReDoS via wakka.php Edit-Preview Endpoint

YesWiki before 4.6.7 contains an algorithmic-complexity denial of service in the wakka.php formatter due to an On^2 markdown-link regex. Unauthenticated attackers can submit a small crafted body of bracket characters to the page-edit preview endpoint to pin PHP-FPM workers and saturate the pool...

CVE-2026-104455 YesWiki before 4.6.7 Read-ACL Bypass via recentchangesrssplus RSS Action

YesWiki before 4.6.7 contains an access control bypass vulnerability that allows unauthenticated attackers to read restricted page content via the recentchangesrssplus RSS action. Attackers can request the xml method of a page hosting the action to retrieve 500-character body excerpts of every...

CVE-2026-104455

YesWiki versions prior to 4.6.7 are vulnerable to an access control bypass via the recentchangesrssplus RSS action. Unauthenticated attackers can request the xml method of a page hosting this action to retrieve 500-character body excerpts of all latest pages. This includes access to read-restrict...

CVE-2026-104455 YesWiki before 4.6.7 Read-ACL Bypass via recentchangesrssplus RSS Action

YesWiki before 4.6.7 contains an access control bypass vulnerability that allows unauthenticated attackers to read restricted page content via the recentchangesrssplus RSS action. Attackers can request the xml method of a page hosting the action to retrieve 500-character body excerpts of every...

EUVD-2026-91466

YesWiki before 4.6.7 contains an access control bypass vulnerability that allows unauthenticated attackers to read restricted page content via the recentchangesrssplus RSS action. Attackers can request the xml method of a page hosting the action to retrieve 500-character body excerpts of every...

EUVD-2026-91465

YesWiki before 4.6.7 contains an algorithmic-complexity denial of service in the wakka.php formatter due to an On^2 markdown-link regex. Unauthenticated attackers can submit a small crafted body of bracket characters to the page-edit preview endpoint to pin PHP-FPM workers and saturate the pool...

CVE-2026-104455 YesWiki before 4.6.7 Read-ACL Bypass via recentchangesrssplus RSS Action

YesWiki before 4.6.7 contains an access control bypass vulnerability that allows unauthenticated attackers to read restricted page content via the recentchangesrssplus RSS action. Attackers can request the xml method of a page hosting the action to retrieve 500-character body excerpts of every...

CVE-2026-104453 YesWiki before 4.6.7 CSRF Tag Deletion via admintag Action

YesWiki before 4.6.7 contains a cross-site request forgery vulnerability in the admintag action that allows attackers to delete tag associations by luring administrators to crafted GET links. Attackers can supply a wide id range in the deletetag parameter via top-level navigation, carrying the...

CVE-2026-104453

YesWiki versions prior to 4.6.7 are susceptible to a Cross-Site Request Forgery (CSRF) vulnerability within the admintag action. The root cause allows an attacker to delete tag associations by luring authenticated administrators into clicking crafted GET links. By supplying a wide ID range in the...

CVE-2026-104453 YesWiki before 4.6.7 CSRF Tag Deletion via admintag Action

YesWiki before 4.6.7 contains a cross-site request forgery vulnerability in the admintag action that allows attackers to delete tag associations by luring administrators to crafted GET links. Attackers can supply a wide id range in the deletetag parameter via top-level navigation, carrying the...

CVE-2026-104453 YesWiki before 4.6.7 CSRF Tag Deletion via admintag Action

YesWiki before 4.6.7 contains a cross-site request forgery vulnerability in the admintag action that allows attackers to delete tag associations by luring administrators to crafted GET links. Attackers can supply a wide id range in the deletetag parameter via top-level navigation, carrying the...

EUVD-2026-91464

YesWiki before 4.6.7 contains a cross-site request forgery vulnerability in the admintag action that allows attackers to delete tag associations by luring administrators to crafted GET links. Attackers can supply a wide id range in the deletetag parameter via top-level navigation, carrying the...

CVE-2026-104452 YesWiki before 4.6.7 CSRF Attachment Deletion via filemanager Handler

YesWiki before 4.6.7 contains a cross-site request forgery vulnerability in the filemanager page handler, which deletes page attachments on GET requests without validating a CSRF token. Attackers can lure a logged-in page owner or administrator into a top-level GET navigation with do=del, erase, ...

CVE-2026-104452 YesWiki before 4.6.7 CSRF Attachment Deletion via filemanager Handler

YesWiki before 4.6.7 contains a cross-site request forgery vulnerability in the filemanager page handler, which deletes page attachments on GET requests without validating a CSRF token. Attackers can lure a logged-in page owner or administrator into a top-level GET navigation with do=del, erase, ...