CVE-2026-97246

WordPress ShortPixel Image Optimizer plugin <= 6.5.5 - PHP Object Injection vulnerability

4.9 Medium

Deserialization of Untrusted Data vulnerability in ShortPixel ShortPixel Image Optimizer shortpixel-image-optimiser allows Object Injection.This issue affects ShortPixel Image Optimizer: from n/a through 6.5.5.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.21%Unchanged since Oct 1, 2026

What each source reports

CVE List Score used 4.9

WordPress ShortPixel Image Optimizer plugin <= 6.5.5 - PHP Object Injection vulnerability

Record: CVE-2026-97246
CVSS 3.1: 4.9 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N
Weakness: CWE-502
Updated: 2026-11-02

EUVDEUVD-2026-89910 4.9

Record: EUVD-2026-89910
CVSS 3.1: 4.9 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-x62g-qgmr-chj3 4.9

Subscriber PHP Object Injection in ShortPixel Image Optimizer <= 6.5.5 versions.

Subscriber PHP Object Injection in ShortPixel Image Optimizer <= 6.5.5 versions.

Record: GHSA-x62g-qgmr-chj3
CVSS 3.1: 4.9 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N
Weakness: CWE-502
Updated: 2026-11-02

NVD 4.9

Record: CVE-2026-97246
CVSS 3.1: 4.9 MediumCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N
Weakness: CWE-502
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

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

In short

CVE-2026-97246 is a medium vulnerability (CVSS 4.9) in Shortpixel Image Optimizer, published September 30, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.21%, the 10th percentile. No source names a fixed version.