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01 Record

CVE-2026-97246

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

MediumPUBLISHEDCNA: Patchstack
CNA base score4.9 CVSS v3.xCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N

02 Description

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

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.20% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 10.8% of scored records. A rank, not a probability.
NVD base score
4.9 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N
NVD analysis status
Deferred. NVD last modified this record on 2026-10-20.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-09-30 12:28Z28 DAYS AGO
Last updated
2026-10-20 13:59Z8 DAYS AGO
Reserved
2026-09-24
Assigning CNA
Patchstack
Record state
PUBLISHED
Severity
Medium (CVSS 4.9)
CNA CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N
Weaknesses
  • CWE-502Deserialization of Untrusted DataBase
Data version
5.2
Document digest
d1d6fae48c1c2b0459e47e34c729a1e95ee537bef33da51b2db4575a85a7d1ea

05 Affected products

VendorProductVersionsPlatforms
ShortPixelShortPixel Image Optimizer0 to 6.5.5—

06 References

07 Remediation

Update the WordPress ShortPixel Image Optimizer plugin to the latest available version (at least 6.5.6).