PHP vulnerability advisories

Every CVE phpwarden knows about across the PHP engine, Composer packages and WordPress plugins, themes and core — ranked by real-world exploitation. Feed 2026.10.29.4, updated 2026-10-29. Browse by package.

19,303CVEs
8,638Composer advisories
12,328WordPress advisories
35Actively exploited (KEV) →
CVEPackageTitleSeverityCVSSEPSS
CVE-2021-34646woocommerce-jetpack (WordPress plugin)Versions up to, and including, 5.4.3, of the Booster for WooCommerce WordPress plugin are vulnerable to authentication bypass via the procescritical9.851%
CVE-2022-3180wpgateway (WordPress plugin)The WPGateway Plugin for WordPress is vulnerable to privilege escalation in versions up to, and including, 3.5. This allows unauthenticated critical9.89%
CVE-2019-20203postie (WordPress plugin)The Authorized Addresses feature in the Postie plugin 1.9.40 for WordPress allows remote attackers to publish posts by spoofing the From infmedium5.32%
CVE-2026-55584phpsysinfo/phpsysinfophpSysInfo has an IP allowlist (PSI_ALLOWED) bypass via spoofed X-Forwarded-For / Client-IP headershigh7.52%
CVE-2022-2368microweber/microweberMicroweber before 1.2.21 allows attacker to bypass IP detection to brute-force passwordmedium6.51%
CVE-2022-4746fluentauth (WordPress plugin)The FluentAuth WordPress plugin before 1.0.2 prioritizes getting a visitor's IP address from certain HTTP headers over PHP's REMOTE_ADDR, whhigh7.51%
CVE-2022-4303wp-limit-login-attempts (WordPress plugin)The WP Limit Login Attempts WordPress plugin through 2.6.4 prioritizes getting a visitor's IP from certain HTTP headers over PHP's REMOTE_ADhigh7.51%
CVE-2022-4550user-activity (WordPress plugin)The User Activity WordPress plugin through 1.0.1 checks headers such as the X-Forwarded-For to retrieve the IP address of the request, whichhigh7.51%
CVE-2026-64665statamic/cmsStatamic: Account takeover via OAuth email matching without email-verification checkhigh8.11%
CVE-2026-33661yansongda/payWeChat Pay callback signature verification bypassed when Host header is localhosthigh8.61%
CVE-2023-0816formidable-form-builder (WordPress plugin)The Formidable Forms WordPress plugin before 6.1 uses several potentially untrusted headers to determine the IP address of the client, leadimedium6.50%
CVE-2026-45074symfony/security-http, symfony/symfonySymfony's Cas2Handler Derives CAS service URL from Client Host Header → Cross-Service Ticket Replaymedium0.00%
CVE-2026-48016shopware/core, shopware/platformShopware: Unauthorized Payment Trigger for Foreign Orders via /store-api/handle-paymentmedium4.30%
CVE-2026-45063symfony/security-http, symfony/symfonySymfony Vulnerable to Identity Spoofing via Unanchored DN Regex in X509Authenticatorhigh0.00%
CVE-2024-13685admin-and-site-enhancements (WordPress plugin)The Admin and Site Enhancements (ASE) WordPress plugin before 7.6.10 retrieves client IP addresses from potentially untrusted headers, allowmedium5.30%
CVE-2026-31889shopware/core, shopware/platformShopware vulnerable to a potential take over of app credentialshigh8.90%
CVE-2025-60868alt-design/alt-redirectAlt Redirect: Potential Authentication Bypass by Spoofing through query-string stripping logic flawmedium6.50%
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Severity and CVSS come from the upstream advisory (OSV.dev, NVD, FriendsOfPHP); KEV marks CVEs on CISA's Known Exploited Vulnerabilities list; EPSS is FIRST's 30-day exploitation probability. Rows sort exploitation-first: KEV, then EPSS, then CVSS.