Medium severity · published Sep 30, 2026
CVE-2026-97246
WordPress ShortPixel Image Optimizer plugin <= 6.5.5 - PHP Object Injection vulnerability
4.9
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
High
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 11% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SI
ShortPixel Image Optimizer · ShortPixel
through 6.5.5 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-97246
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-97246
vdb-entry
https://patchstack.com/database/wordpress/plugin/shortpixel-image-optimiser/vulnerability/wordpress-shortpixel-image-optimizer-plugin-6-5-5-php-object-injection-vulnerability?_s_id=cve
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