PT-2026-104273

YesWiki before 4.6.7 contains a server-side request forgery vulnerability that allows unauthenticated attackers to trigger server requests by sending signed Follow activities to the public forms actor inbox route. Attackers sign requests with their own keyId while supplying internal actor URLs in...

PT-2026-104276

YesWiki before 4.6.7 contains a stored cross-site scripting vulnerability in formatters/wakka.php that allows users who can edit pages or post comments to inject event handlers by placing quotes in markdown image URLs. Attackers can store a crafted markdown image whose src breaks out of the...

PT-2026-104280

Name of the Vulnerable Software and Affected Versions YesWiki versions prior to 4.6.7 Description A server-side request forgery SSRF issue exists in the Bazar valeur action. Page editors can force the server to fetch arbitrary URLs by manipulating the url parameter. By embedding this action with ...

CVE-2026-104443: Incorrect Authorization

YesWiki before 4.6.7 contains an empty-filter scope bypass in the triples delete API that allows any authenticated user to delete or forge arbitrary semantic triples regardless of ownership. Attackers can send an empty filter to the triples delete endpoint to remove the admins-group membership...

CVE-2026-104459: Server-Side Request Forgery (SSRF)

YesWiki before 4.6.7 contains a server-side request forgery vulnerability in WebfingerService that allows unauthenticated attackers to trigger HTTPS requests to internal hosts. Attackers can POST a crafted actorhandle with a numeric host and port to the abonnements view to probe internal HTTPS...

PT-2026-104253

YesWiki before 4.6.7 contains an empty-filter scope bypass in the triples delete API that allows any authenticated user to delete or forge arbitrary semantic triples regardless of ownership. Attackers can send an empty filter to the triples delete endpoint to remove the admins-group membership...

PT-2026-104268

YesWiki before 4.6.7 contains a server-side request forgery vulnerability in validateKeyIdUrl that allows unauthenticated attackers to bypass the SSRF guard using 6to4, NAT64, or IPv4-compatible IPv6 addresses. Attackers can send a crafted Signature keyId to the public actor inbox route to reach...

CVE-2026-104472: Missing Authorization

YesWiki before 4.6.7 contains a missing authorization vulnerability in the attachment download handler that allows unauthenticated attackers to bypass page read ACLs. Attackers can request the download handler with a known page tag and file parameter to retrieve confidential attachments from...

PT-2026-104277

YesWiki before 4.6.7 contains an authorization bypass vulnerability in ApiService::isAuthorized that allows unauthenticated attackers to call admin-only API routes when public API mode is enabled. Attackers can send requests to endpoints like api/ci/update config and api/archives to overwrite...

CVE-2026-104456: Improper Neutralization of Special Elements used in an SQL Command

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-2026-104455: Exposure of Sensitive Information to an Unauthorized Actor

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-2026-104461: Improper Neutralization of Input During Web Page Generation

YesWiki before 4.6.7 contains a stored cross-site scripting vulnerability in the Bazar FileField, which validates only the upload's file extension and never calls HtmlPurifierService::cleanFile, so SVG files are stored verbatim and served inline as image/svg+xml. Authenticated users can submit...

PT-2026-104252

YesWiki before 4.6.7 contains an unauthenticated server-side request forgery vulnerability that allows remote attackers to make the server fetch arbitrary URLs by supplying a syndication action through the render handler's content parameter. Attackers can target internal hosts and ports, read bac...

CVE-2026-104442: Server-Side Request Forgery (SSRF)

YesWiki before 4.6.7 contains an unauthenticated server-side request forgery vulnerability that allows remote attackers to make the server fetch arbitrary URLs by supplying a syndication action through the render handler's content parameter. Attackers can target internal hosts and ports, read bac...

PT-2026-104270

YesWiki before 4.6.7 contains a blind SQL injection vulnerability in the newtextsearch action because Bazar list option ids are concatenated into SQL REGEXP/LIKE clauses in actions/newtextsearch.php without escaping. Anonymous attackers can plant a malicious option id in an anonymously editable...

CVE-2026-104471: Unrestricted Upload of File with Dangerous Type

YesWiki before 4.6.7 contains an unrestricted file upload vulnerability that allows authenticated admins to write remote files into the web-accessible files/ directory via Bazar CSV import preview. Attackers can import a CSV whose file or image field references a remote .php URL, which is saved...

PT-2026-104249

YesWiki before 4.6.7 contains a user enumeration vulnerability in LostPasswordAction.php that allows unauthenticated attackers to confirm registered email addresses through differing responses. Attackers can submit emails to the MotDePassePerdu recovery page without rate limiting to identify vali...

CVE-2026-104462: Improper Neutralization of Special Elements used in an SQL Command

YesWiki before 4.6.7 contains an SQL injection vulnerability in the Bazar nuagetag action, which concatenates the unescaped tags attribute into a raw SQL IN clause. Attackers with page-write access unauthenticated on default installs can embed a nuagetag tag ending in a backslash to break quote...

PT-2026-104272

YesWiki before 4.6.7 contains an SQL injection vulnerability in the Bazar nuagetag action, which concatenates the unescaped tags attribute into a raw SQL IN clause. Attackers with page-write access unauthenticated on default installs can embed a nuagetag tag ending in a backslash to break quote...

CVE-2026-104463: Server-Side Request Forgery (SSRF)

YesWiki before 4.6.7 contains a server-side request forgery vulnerability that allows unauthenticated attackers to trigger server requests by sending signed Follow activities to the public forms actor inbox route. Attackers sign requests with their own keyId while supplying internal actor URLs in...