WordPress before 5.5.2 allows CSRF attacks that change a theme's background image.

Affected versions

NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.

• wordpress wordpressbefore 5.5.2

Package-level exposure

OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.

Other highest-scoring records for the same primary product.

• CVE-2026-63030WordPress < 7.0.2 - REST API batch-route confusion and SQL injection issue leading to Remote Code ExecutionKEV
  72This week
• CVE-2026-87902An unauthenticated attacker can make `get_page_template()` page-template resolution include a chosen readable local `.php` file outside the KEV
  68This week
• CVE-2019-8942WordPress before 4.9.9 and 5.x before 5.0.1 allows remote code execution because an _wp_attached_file Post Meta entry can be changed to an a
  60This week
• CVE-2022-21661SQL injection in WordPress
  59Plan
• CVE-2026-60137WordPress < 7.0.2 - Facilitated SQL Injection via author__not_in in WP_QueryKEV
  55Plan
• CVE-2017-1001000The register_routes function in wp-includes/rest-api/endpoints/class-wp-rest-posts-controller.php in the REST API in WordPress 4.7.x before
  55Plan

FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).

Root cause

State-changing requests rely on the session cookie the browser sends automatically; nothing verifies that the request came from the user’s own page.

A representative example of this vulnerability class. Not the vendor's source code; it shows the faulty pattern and its fix.

1app.use(session({ cookie: { httpOnly: true } }));2app.post("/account/address", updateAddress);

1app.use(session({ cookie: { httpOnly: true, sameSite: "lax" } }));2app.post("/account/address", csrfProtection, updateAddress);

Attack context

MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.