PT-2026-105508

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-q5pr-72pq-83v3. This link is maintained to preserve external references. Original Description h3 versions before 2.0.1-rc.18 fail to validate the chunk count parsed from user-controlled cookie values in...

CVE-2026-82209: Insertion of Sensitive Information Into Sent Data

When libpsl support is enabled, libcurl fails to enforce the Public Suffix List boundary check when processing a Set-Cookie header where the Domain attribute explicitly matches an origin host that is itself a public suffix e.g., Domain=co.uk set by co.uk. Instead of coercing it into a strict...

CVE-2026-80255: Insertion of Sensitive Information Into Sent Data

A Set-Cookie: header using tab horizontal tab, ASCII code 9 instead of space ascii code 32 immediately before the Secure attribute causes curl to store the cookie without its Secure flag. The cookie might then wrongfully be sent over plaintext HTTP on subsequent requests to the same host...

Exploit for CVE-2026-75865

CVE-2026-75865 Proof-of-concept and technical write-up for...

CVE-2026-77263

The iubenda | All-in-one Compliance for GDPR / CCPA Cookie Consent WordPress plugin is vulnerable to unauthenticated Stored Cross-Site Scripting (XSS) via comment content in all versions up to and including 3.13.4 . The root cause is insufficient input sanitization and output escaping: an attacke...

CVE-2026-77263 iubenda | All-in-one Compliance for GDPR / CCPA Cookie Consent + more <= 3.13.4 - Unauthenticated Stored Cross-Site Scripting via Comment Content

The iubenda | All-in-one Compliance for GDPR / CCPA Cookie Consent + more plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Content in all versions up to, and including, 3.13.4 due to insufficient input sanitization and output escaping. This makes it possible for...

CVE-2026-77233 iubenda | All-in-one Compliance for GDPR / CCPA Cookie Consent + more <= 3.13.4 - Unauthenticated Stored Cross-Site Scripting via Comment Content via AdSense Regex Rewrite

The iubenda | All-in-one Compliance for GDPR / CCPA Cookie Consent + more plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Content via AdSense Regex Rewrite in all versions up to, and including, 3.13.4 due to insufficient input sanitization and output escaping. This...

EUVD-2026-71839

The Hummingbird – Speed Optimization, Caching, Minify, Compress & CDN plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 3.21.0 via the logmsg function in core/modules/class-page-cache.php. The page-cache debug log is written to...

CVE-2026-83627

The Hummingbird – Speed Optimization, Caching, Minify, Compress & CDN plugin for WordPress (versions ≤ 3.21.0 ) is vulnerable to unauthenticated remote code execution via a flaw in the page cache debug log. The protective

CVE-2026-83627 Hummingbird – Speed Optimization, Caching, Minify, Compress & CDN <= 3.21.0 - Unauthenticated Remote Code Execution via Cookie Name in Page Cache Debug Log

The Hummingbird – Speed Optimization, Caching, Minify, Compress & CDN plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 3.21.0 via the logmsg function in core/modules/class-page-cache.php. The page-cache debug log is written to...

CVE-2026-83627 Hummingbird – Speed Optimization, Caching, Minify, Compress & CDN <= 3.21.0 - Unauthenticated Remote Code Execution via Cookie Name in Page Cache Debug Log

The Hummingbird – Speed Optimization, Caching, Minify, Compress & CDN plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 3.21.0 via the logmsg function in core/modules/class-page-cache.php. The page-cache debug log is written to...

PT-2026-86312

Name of the Vulnerable Software and Affected Versions Hummingbird versions prior to 3.21.1 Description Remote Code Execution is possible via the log msg function in core/modules/class-page-cache.php. The page-cache debug log is written to a web-accessible PHP file that fails to maintain a...

CVE-2026-77233: Improper Neutralization of Input During Web Page Generation

The iubenda | All-in-one Compliance for GDPR / CCPA Cookie Consent + more plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Content via AdSense Regex Rewrite in all versions up to, and including, 3.13.4 due to insufficient input sanitization and output escaping. This...

CVE-2026-77263: Improper Neutralization of Input During Web Page Generation

The iubenda | All-in-one Compliance for GDPR / CCPA Cookie Consent + more plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Comment Content in all versions up to, and including, 3.13.4 due to insufficient input sanitization and output escaping. This makes it possible for...

EUVD-2026-57453

SiYuan: Non-administrator responses from /api/system/getConf omit three secrets that the configuration-export path explicitly strips, disclosing the session-cookie signing key and the OS username to anonymous readers...

SiYuan: Non-administrator responses from /api/system/getConf omit three secrets that the configuration-export path explicitly strips, disclosing the session-cookie signing key and the OS username to anonymous readers

CVE: This vulnerability corresponds to CVE-2026-72793. Summary /api/system/getConf is registered with CheckAuth only and is reachable by the publish RoleReader token, and anonymously when Publish.Auth.Enable is false. Its non-administrator masking chain is a blocklist that enumerates fields...

GHSA-H4V5-CRX2-3CV4 SiYuan: Non-administrator responses from /api/system/getConf omit three secrets that the configuration-export path explicitly strips, disclosing the session-cookie signing key and the OS username to anonymous readers

CVE: This vulnerability corresponds to CVE-2026-72793. Summary /api/system/getConf is registered with CheckAuth only and is reachable by the publish RoleReader token, and anonymously when Publish.Auth.Enable is false. Its non-administrator masking chain is a blocklist that enumerates fields...

SiYuan: The session-cookie signing key (Conf.CookieKey) is returned to anonymous readers by /api/system/getConf

CVE: This vulnerability corresponds to CVE-2026-72794. Summary /api/system/getConf returns Conf.CookieKey, the key used to sign the server's session cookies in its response body. The endpoint is registered with CheckAuth only, so the field reaches the publish RoleReader token and the anonymous...

GHSA-34FJ-MWM6-FJFG SiYuan: The session-cookie signing key (Conf.CookieKey) is returned to anonymous readers by /api/system/getConf

CVE: This vulnerability corresponds to CVE-2026-72794. Summary /api/system/getConf returns Conf.CookieKey, the key used to sign the server's session cookies in its response body. The endpoint is registered with CheckAuth only, so the field reaches the publish RoleReader token and the anonymous...

WordPress Hummingbird - Speed Optimization, Caching, Minify, Compress & CDN plugin <= 3.21.0 - Unauthenticated Remote Code Execution via Cookie Name in Page Cache Debug Log vulnerability

WordPress Hummingbird - Speed Optimization, Caching, Minify, Compress & CDN plugin = 3.21.0 - Unauthenticated Remote Code Execution via Cookie Name in Page Cache Debug Log vulnerability discovered by Kuba in WordPress Plugin Hummingbird versions = 3.21.0...