CVE-2026-42703: Kali Forms missing authorization check vulnerability

medium 6.5 published 2026-10-29

Affected versions: 2.4.27 and older
Fixed in: 2.4.28
Latest version: 2.4.31
Severity: Medium · CVSS 6.5
Active installs: 10,000+
Type: Missing authorization check

What an attacker needs

Access: A low-level account on the site, such as a subscriber or customer (per the CVSS score).

CVSS vector (score by Patchstack): CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

What to do now

Update Kali Forms to 2.4.28 or newer (the latest is 2.4.31): Dashboard → Updates, or Plugins → “update now”.
If you cannot update right away, deactivate it until you can.
Turn on auto-updates for it: Plugins → “Enable auto-updates” on its row.
Not sure which version you run? Check your version against every known Kali Forms issue. With WP-CLI: wp plugin get kali-forms --field=version.
If you ran an affected version and something looks off (new admin users, spam pages, redirects), run the free scan below.

The advisory

Missing Authorization vulnerability in Kaliforms Kali Forms kali-forms allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Kali Forms: from n/a through 2.4.27.

Description from the CVE record, published by Patchstack (the CVE Numbering Authority), via the NVD entry for CVE-2026-42703.

References

NVD CVE-2026-42703 nvd.nist.gov
Patchstack advisory patchstack.com

Ran an affected version? Check your site for signs of a hack

The free scan reads the public side of your site and looks for spam pages, hidden redirects, injected scripts and blacklist entries. No login, no install, about a minute.

Where this data comes from

CVE record, score and references: NIST National Vulnerability Database (NVD), checked 2026-11-04. This product uses data from the NVD API but is not endorsed or certified by the NVD.
Versions and install counts: wordpress.org/plugins/kali-forms (Plugins API), fetched 2026-11-04.
The summary, “what an attacker needs” and “what to do” sections are our plain-English reading of the record and the plugin's release history; the quoted description is the record's own text. Spot an error? Email Daniel.