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Medium severity · published Oct 18, 2025
CVE-2025-11378
ShortPixel Image Optimizer <= 6.3.4 - Authenticated (Contributor+) Settings Import/Export
5.4
CVSS
0.3%
EPSS
No
On KEV
Description
The ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'shortpixel_ajaxRequest' AJAX action in all versions up to, and including, 6.3.4. This makes it possible for authenticated attackers, with Contributor-level access and above, to export and import site options.
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)0.3% · higher than 24% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
SI
ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF · shortpixel
through 6.3.4 · source: vendor
Affected product
SI
ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF
shortpixel
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-11378
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-11378
github.com
https://github.com/short-pixel-optimizer/shortpixel-image-optimiser/commit/74263060acafbaf63b4a34f339a8b0dc35f2cad9
plugins.trac.wordpress.org
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3379473%40shortpixel-image-optimiser&new=3379473%40shortpixel-image-optimiser&sfp_email=&sfph_mail=
research.cleantalk.org
https://research.cleantalk.org/CVE-2025-11378
www.wordfence.com
https://www.wordfence.com/threat-intel/vulnerabilities/id/1f7e9eb5-e222-43fa-a14f-b9cbced6b8f5?source=cve
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