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TI-2021-18775 Aliases CVE-2021-42359GHSA-m254-mfgm-2hwx

WP DSGVO Tools (GDPR) <= 3.1.23 Unauthenticated Arbitrary Post Deletion

Priority MEDIUM 53CWE-284Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-284.

Summary

WP DSGVO Tools (GDPR) <= 3.1.23 had an AJAX action, ‘admin-dismiss-unsubscribe‘, which lacked a capability check and a nonce check and was available to unauthenticated users, and did not check the post type when deleting unsubscription requests. As such, it was possible for an attacker to permanently delete an arbitrary post or page on the site by sending an AJAX request with the “action” parameter set to “admin-dismiss-unsubscribe” and the “id” parameter set to the post to be deleted. Sending such a request would move the post to the trash, and repeating the request would permanently delete the post in question.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.04595 91st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
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
legalwebWP DSGVO Tools (GDPR)3.1.23 – 3.1.23—No fix listedCNA
  • WP DSGVO Tools (GDPR) Vendorlegalweb Affected 3.1.23 – 3.1.23 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:legalweb:wp_dsgvo_tools:*:*:*:*:*:wordpress:*:*up to 3.1.23Vulnerablelegalweb
  • cpe:2.3:a:legalweb:wp_dsgvo_tools:*:*:*:*:*:wordpress:*:* Versions up to 3.1.23 Vulnerable ·legalweb

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-42359
  2. 2026-10-03 Alias added: GHSA-m254-mfgm-2hwx
  3. 2026-10-19 EPSS moved to the 90th–95th percentile

References

Exploit 1

  • TI-2021-03215 WP DSGVO Tools (GDPR) <= 3.1.23 - Unauthenticated Stored Cross-Site Scripting CVSS 3.1HIGH 7.2

Sources

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