Is CVE-2026-1253 actively exploited?

No active exploitation of CVE-2026-1253 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-1253 be exploited remotely?

Yes. CVE-2026-1253 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-1253?

CVE-2026-1253 has a CVSS score of 5.3 (MEDIUM).

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MEDIUM

CVE-2026-1253

CWE-862Published: March 21, 2026· Updated: Mar 23, 2026

5.3

CVSS v3.1

EPSS:0.05%probability of exploitation in 30 daysPercentile:14.4th

Official Description

The Group Chat & Video Chat by AtomChat plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'atomchat_update_auth_ajax' and 'atomchat_update_layout_ajax' functions in all versions up to, and including, 1.1.7. This makes it possible for authenticated attackers, with Subscriber-level access and above, to update plugin options, including critical settings such as API keys, authentication keys, and layout configurations.

NVD Source

Technical Analysis

CVE-2026-1253 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.