CVE-2026-86611: Download Manager cross-site request forgery (CSRF) vulnerability

medium 4.3 published 2026-10-21

Download Manager older than 3.3.71, 4.0.0 up to (not including) 7.5.9 are affected by this CSRF issue. Sites on 3.3.71 or newer are not affected; the latest release is 3.3.75.

Note: part of the source's version range goes past the newest Download Manager release on wordpress.org (3.3.75), so it probably describes a paid edition with its own version numbers, or contains a typo. We do not use that part to judge versions.

Affected versions: older than 3.3.71, 4.0.0 up to (not including) 7.5.9
Fixed in: 3.3.71
Latest version: 3.3.75
Severity: Medium · CVSS 4.3
Active installs: 100,000+
Type: Cross-site request forgery (CSRF)

What an attacker needs

Access: None. No account or login is needed (per the CVSS score).
Interaction: It also needs someone on the site (often an admin) to click a link, open a page or submit a form the attacker prepared.

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

What to do now

Update Download Manager to 3.3.71 or newer (the latest is 3.3.75): 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 Download Manager issue. With WP-CLI: wp plugin get download-manager --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

The Download Manager WordPress plugin before 3.3.71, Download Manager WordPress plugin before 7.5.9 does not have CSRF checks in some places, allowing attackers to make a logged in admin update its privacy and storage settings via a crafted link, including the credential that gates its unauthenticated maintenance endpoint.

Description from the CVE record, published by WPScan (the CVE Numbering Authority), via the NVD entry for CVE-2026-86611.

References

NVD CVE-2026-86611 nvd.nist.gov
WPScan advisory wpscan.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/download-manager (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.