CVE-2026-14495
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedThe DoLogin Security plugin for WordPress is vulnerable to Authentication Bypass via Insufficient Randomness in all versions up to, and including, 4.3. The vulnerability exists because `dologin\s::rrand()` seeds the Mersenne Twister with `mt_srand((double) microtime() * 1000000)` — discarding the integer-seconds component of `microtime()` and constraining the seed to a range of approximately 10^6 values (~20 bits of entropy) — after which every character of the 32-character magic-link token is drawn sequentially with `mt_rand()`, making the entire token a deterministic function of that seed. Because `Pswdless::try_login()` is registered on the unauthenticated `init` hook, resolves the target account by the auto-increment numeric ID embedded in the `?dologin=<id>.<hash>` parameter, performs the hash comparison using a non-constant-time `!=` operator, and then calls `wp_set_auth_cookie()` directly — never passing through `wp_authenticate()` and therefore never triggering the plugin's own `Auth::_has_login_err()` lockout — an unauthenticated attacker can brute-force the ~10^6-candidate seed space to reconstruct an active passwordless login token and authenticate as any targeted user, including administrators, without a password. Exploitation requires that a valid, unexpired passwordless login link (active for up to 7 days) exists for the target account at the time of the attack, and that the numeric link ID is known or guessable from the auto-increment primary key.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceThe DoLogin Security plugin for WordPress uses a weak pseudo-random number generator (Mersenne Twister) seeded with only microsecond-level precision (~20 bits of entropy) to generate passwordless login tokens. Because the token is deterministic given the seed, and the authentication flow bypasses the plugin's lockout mechanism by calling wp_set_auth_cookie() directly, an attacker can brute-force the ~10^6 seed space to reconstruct valid tokens and authenticate as any user, including administrators.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Network
- Complexity
- Low
- Privileges
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Verify DoLogin Security plugin is installedNavigate to WordPress admin dashboard > Plugins and confirm 'DoLogin Security' is listed in installed plugins. Note the installed version from the plugin description.Affected if The plugin is installed and no patch version is specified or the installed version predates any security update.
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Confirm passwordless login feature is enabledGo to plugin settings page (usually under Settings > DoLogin Security or similar) and locate the passwordless login option. Check if it is toggled to 'enabled' or 'active'.Affected if The passwordless login feature is turned on in the plugin configuration.
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Inspect token generation mechanismAccess the WordPress filesystem via FTP or file manager, locate the plugin directory (wp-content/plugins/dologin-security or similar), and examine the file containing the login token generation function. Look for use of mt_rand() or Mersenne Twister implementation without additional entropy sources.Affected if The code uses mt_rand() or a Mersenne Twister variant seeded solely with microtime() or similar low-entropy source for token generation.
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Check authentication cookie setting behaviorReview the passwordless login handler code to verify it calls wp_set_auth_cookie() directly rather than going through wp_signon() or the plugin's own authentication flow with rate limiting.Affected if The code bypasses the plugin's lockout mechanism by calling wp_set_auth_cookie() directly without triggering rate limit checks.
Your environment is affected if the DoLogin Security plugin is installed with passwordless login enabled and the token generation relies on a weak PRNG seeded with limited entropy.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataUpdate to the latest version of the DoLogin Security plugin once available; prior to patch, consider disabling the passwordless login feature or implementing additional rate-limiting at the web application firewall level.
- Consultation3.0 h
- Implementation6.0 h
- Testing3.0 h
- Review / QA2.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2026-14495 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2026-14495 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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