Vulnerability database
Every flaw the U.S. government’s cybersecurity agency (CISA) has confirmed attackers are using, plus the new WordPress plugin and theme bugs published each day, sorted by what they mean for a small business. We refresh it twice a day. If you see something your website or office runs, tell us.
9 results
Jun 5, 2026HAX CMS helps manage microsite universe with PHP or NodeJs backends.CVE-2026-46357 · Other software · haxtheweb · reported by GitHubMedium 6.5
HAX CMS helps manage microsite universe with PHP or NodeJs backends. Prior to version 26.0.0, the HAX CMS NodeJS application crashes when an authenticated attacker sends a specially crafted site creation request to the createSite endpoint. A single request is sufficient to take the entire application offline, requiring a manual server restart to restore service. Version 26.0.0 fixes the issue.
- Product
- haxcms-nodejs
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jun 5, 2026HAX CMS helps manage microsite universe with PHP or NodeJs backends.CVE-2026-46511 · Other software · haxtheweb · reported by GitHubHigh 8.7
HAX CMS helps manage microsite universe with PHP or NodeJs backends. Prior to version 26.0.0, an attack chain utilizing Stored XSS alongside dynamic token exposure in the `/system/api/connectionSettings` endpoint allows an authenticated attacker to perform a complete cross-tenant account takeover. The API dynamically leaks the active session's authentication tokens (including the `jwt`, `user_token`, `site_token`, and `appstore_token`) into a global JavaScript variable (`window.appSettings`). An attacker can exploit the XSS vulnerability to force a victim's browser to silently fetch their specific connection settings, extract the tokens, and exfiltrate them to an attacker-controlled webhook. Version 26.0.0 patches the issue.
- Product
- haxcms-nodejs
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jun 5, 2026HAX CMS helps manage microsite universe with PHP or NodeJs backends.CVE-2026-46496 · Other software · haxtheweb · reported by GitHubCritical 9.3
HAX CMS helps manage microsite universe with PHP or NodeJs backends. A stored cross-site scripting (XSS) vulnerability exists in versions prior to 26.0.0 due to improper sanitization of the `<video-player>` component. The component allows `javascript:` URIs in the `source` attribute, which are executed when the page is viewed. This enables attackers to execute arbitrary JavaScript in the context of the victim’s browser and access sensitive data such as JWT tokens and more. Version 26.0.0 fixes the issue.
- Product
- haxcms-nodejs
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jun 5, 2026HAX CMS helps manage microsite universe with PHP or NodeJs backends.CVE-2026-46399 · Other software · haxtheweb · reported by GitHubCritical 9.4
HAX CMS helps manage microsite universe with PHP or NodeJs backends. The PHP version of HAX CMS prior to version 26.0.0 has an authenticated file overwrite vulnerability. An attacker can exploit this vulnerability to configure malicious Git filter commands and achieve code execution on the HAX CMS server. Version 26.0.0 patches the issue.
- Product
- haxcms-nodejs
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jun 5, 2026HAX CMS helps manage microsite universe with PHP or NodeJs backends.CVE-2026-46396 · Other software · haxtheweb · reported by GitHubCritical 9.3
HAX CMS helps manage microsite universe with PHP or NodeJs backends. A stored cross-site scripting (XSS) vulnerability exists in versions prior to 26.0.0 due to improper sanitization of `<iframe>` elements. The application allows `javascript:` URIs in the `src` attribute, which are executed when a malicious page is viewed. This enables attackers to execute arbitrary JavaScript in the context of the victim’s browser and access sensitive data exposed to client-side scripts. Version 26.0.0 fixes the issue.
- Product
- haxcms-nodejs
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jun 5, 2026HAX CMS helps manage microsite universe with PHP or NodeJs backends.CVE-2026-46395 · Other software · haxtheweb · reported by GitHubCritical 9.3
HAX CMS helps manage microsite universe with PHP or NodeJs backends. Prior to version 26.0.0, the `hmacBase64()` function in the HAXcms Node.js backend contains two critical cryptographic implementation errors that together allow any unauthenticated attacker to extract the system’s private signing key and forge arbitrary admin-level JSON Web Tokens (JWTs) allowing them to get full admin access with a single HTTP request. First, the function passes the literal string "0" as the HMAC signing key instead of the key parameter, making every HAXcms instance compute identical HMACs for the same input. Then, after computing the HMAC, the function concatenates the real key parameter which is "this.privateKey + this.salt", the system’s master signing secret is directly onto the output. The combined buffer is base64-encoded and returned as the token. Every base64url token produced has the same structure: 32 bytes HMAC keyed with "0" and N bytes of `privateKey+salt`. An attacker base64-decodes any token, discards the first 32 bytes, and reads the private key directly. The `/system/api/connectionSettings` endpoint is unauthenticated and returns multiple tokens generated by this function. A sing
- Product
- haxcms-nodejs
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jun 5, 2026HAX CMS helps manage microsite universe with PHP or NodeJs backends.CVE-2026-46393 · Other software · haxtheweb · reported by GitHubHigh 7.1
HAX CMS helps manage microsite universe with PHP or NodeJs backends. An authenticated Server-Side Request Forgery (SSRF) vulnerability in versions prior to 26.0.0 allows authenticated users to fetch arbitrary internal or local resources and write the responses to a web-accessible directory, enabling arbitrary file read and internal network access. Version 26.0.0 contains a fix.
- Product
- haxcms-nodejs
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
May 29, 2026HAX CMS helps manage microsite universe with PHP or NodeJs backends.CVE-2026-48527 · Other software · haxtheweb · reported by GitHubHigh 8.7
HAX CMS helps manage microsite universe with PHP or NodeJs backends. Versions up to and including 26.0.0 are affected by a stored cross-site scripting (XSS) vulnerability in the `/system/api/saveNode` endpoint. An authenticated user with a permission to edit pages can bypass the HTML sanitizer by injecting an event handler attribute without whitespace before the attribute name. @haxtheweb/haxcms-nodejs 26.0.1 and haxcms-php 26.0.2 patch the issue.
- Product
- haxcms-nodejs
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jul 11, 2025haxcms-nodejs and haxcms-php are backends for HAXcms.CVE-2025-53642 · Other software · haxtheweb · reported by GitHubMedium 4.8
haxcms-nodejs and haxcms-php are backends for HAXcms. The logout function within the application does not terminate a user's session or clear their cookies. Additionally, the application issues a refresh token when logging out. This vulnerability is fixed in 11.0.6.
- Product
- issues
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Where this comes from: the exploited list is CISA’s Known Exploited Vulnerabilities catalog. Everything else is the whole National Vulnerability Database, where each record is published by the team that found the bug (Wordfence, Patchstack, WPScan, the vendors themselves and others); we show who. Exploit odds are FIRST’s EPSS, updated daily. Titles and categories are ours, so check the linked record before acting on a detail. For a write-up of the big ones, see our advisories. Every vendor, and every WordPress plugin and theme with a recorded flaw, also has its own page. All of it is free to reuse as JSON, CSV or RSS.
Weekly security brief
The flaws that hit local websites, every Friday.
One short email: what got exploited this week, which WordPress plugins broke, and what to check. Unsubscribe in one click.
Tell us what you're building.
A website, your marketing, a security check, an app, or the thing you've been running out of a spreadsheet for three years. A few lines is plenty.
Not ready to talk yet? Run the free website check and see what Google sees.