Is CVE-2026-5617 actively exploited?

No active exploitation of CVE-2026-5617 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-5617 be exploited remotely?

Yes. CVE-2026-5617 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-5617?

CVE-2026-5617 has a CVSS score of 8.8 (HIGH).

HOME VULNERABILITIESCVE-2026-5617

HIGH

CVE-2026-5617

CWE-639Published: April 15, 2026· Updated: Apr 15, 2026

8.8

CVSS v3.1

EPSS:0.04%probability of exploitation in 30 daysPercentile:12.7th

Official Description

The Login as User plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 1.0.3. This is due to the handle_return_to_admin() function trusting a client-controlled cookie (oclaup_original_admin) to determine which user to authenticate as, without any server-side verification that the cookie value was legitimately set during an admin-initiated user switch. This makes it possible for authenticated attackers, with Subscriber-level access and above, to escalate their privileges to administrator by setting the oclaup_original_admin cookie to an administrator's user ID and triggering the "Return to Admin" functionality.

NVD Source

Technical Analysis

CVE-2026-5617 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.