DoLogin Security: Privilege escalation or authentication bypass
DoLogin Security is affected by privilege escalation or authentication bypass. The vulnerable path is reachable without authentication. A successful request can grant permissions or access that the caller should not possess. The published affected range is <= 4.3.
- Component
- DoLogin Security
- Plugin slug
dologin- Affected
- <= 4.3
- Safe version
> 4.3- Published
- Jul 08, 2026
This CVE was published Jul 08, 2026 and is one of 2 known issues for this plugin.
Update, patch or deactivate.
Update DoLogin Security to a release after 4.3, or disable and remove it until a fixed version is available.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
The 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=
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H