Medium severity · published Jul 24, 2026
CVE-2026-12689
ProfileGrid < 5.9.9.7 - Subscriber+ Cross-User Private Message Thread Deletion and Tampering via Missing Authorization
5.4
CVSS
0.2%
EPSS
No
On KEV
Description
The ProfileGrid WordPress plugin before 5.9.9.7 does not perform any authorization or ownership check on some of its private-message thread actions, allowing authenticated users with Subscriber-level access and above to soft-delete, tamper with the metadata of, and mark as read other users' private message threads.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PR
ProfileGrid ·
before 5.9.9.7 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-12689
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-12689
wpscan.com
https://wpscan.com/vulnerability/7368fe32-9415-47c3-b94b-b85ca1a0d101/
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