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TI-2026-83029 Aliases CVE-2026-119565GHSA-5462-5vm9-jmvr

Mass assignment in Plausible Analytics traffic change notifications

Priority LOW 24CWE-915Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Tampering
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-915.

Summary

Plausible Analytics through 3.2.1 contains a mass assignment flaw (CWE-915) in update_traffic_change_notification. An authenticated site editor can supply a site_id parameter to reassign a traffic change notification to another site, so they receive that site's traffic alerts and visitor figures. The CVSS 4.0 vector shows a network attack with low privileges required and no user interaction, with low confidentiality impact.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

Description from the CNA

Plausible Analytics through 3.2.1 contains a mass assignment vulnerability in update_traffic_change_notification that allows authenticated site editors to reassign notifications by supplying a site_id parameter. Attackers can submit traffic_change_notification[site_id] set to another site's primary key via PUT /sites/:domain/traffic-change-notification/:type to receive that site's traffic alerts and visitor figures.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00309 23rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
PlausiblePlausible Analyticsup to 3.2.1—No fix listedCNA
  • Plausible Analytics VendorPlausible Affected up to 3.2.1 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Plausible Analytics.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

Timeline

  1. 2026-10-30 Threatist record created from CVE-2026-119565
  2. 2026-10-30 Alias added: GHSA-5462-5vm9-jmvr
  3. 2026-10-30 CISA SSVC decision points changed

References

Advisory 1

Other 3

  • TI-2026-83028 Information exposure in Plausible Analytics enables site takeover CVSS 4.0MEDIUM 6.0
  • TI-2023-21358 WordPress Plausible Analytics Plugin <= 1.3.3 is vulnerable to Cross Site Scripting (XSS) CVSS 3.1MEDIUM 6.1
  • TI-2022-10728 WordPress Plausible Analytics plugin <= 1.2.2 - Authenticated Stored Cross-Site Scripting (XSS) vulnerability CVSS 3.1MEDIUM 4.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences