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CVE-2026-65552

WordPress Export User Data plugin <= 2.2.6 - PHP Object Injection vulnerability

9.8 Critical

Subscriber PHP Object Injection in Export User Data <= 2.2.6 versions.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.56%Up 0.1 points since Aug 7, 2026
90%50%10%1%

What each source reports

CVE List Score used 9.8

WordPress Export User Data plugin <= 2.2.6 - PHP Object Injection vulnerability

Subscriber PHP Object Injection in Export User Data <= 2.2.6 versions.

Record
CVE-2026-65552
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-502
Updated
2026-11-02
EUVDEUVD-2026-53980 9.8

Subscriber PHP Object Injection in Export User Data <= 2.2.6 versions.

Record
EUVD-2026-53980
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-02
GitHub AdvisoriesGHSA-3vc2-373x-2487 9.8

Subscriber PHP Object Injection in Export User Data <= 2.2.6 versions.

Subscriber PHP Object Injection in Export User Data <= 2.2.6 versions.

Record
GHSA-3vc2-373x-2487
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-502
Updated
2026-11-02
NVD 9.8

Subscriber PHP Object Injection in Export User Data <= 2.2.6 versions.

Record
CVE-2026-65552
CVSS 3.1
9.8 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-502
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
first indexedCVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-65552 is a critical vulnerability (CVSS 9.8) in Qlstudio Export User Data, published August 6, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.56%, the 46th percentile. No source names a fixed version.

References

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