PT-2025-42673 · WordPress · Shortpixel Image Optimizer+1

Dmitry Ignatyev · Published 2025-10-18 · Updated 2025-10-18 · CVE-2025-11378

Positive Technologies (AI Summary)

CVSS v3.1

5.4

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions ShortPixel Image Optimizer – Optimize Images, Convert WebP & AVIF plugin for WordPress versions through 6.3.4

Description The plugin has a flaw that allows unauthorized modification of data. A missing capability check on the shortpixel ajaxRequest AJAX action permits authenticated attackers with Contributor-level access or higher to export and import site options.

Recommendations Update to a version beyond 6.3.4.

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2025-11378

Affected Products

Shortpixel Image Optimizer

Wordpress

References · 10

• https://osv.dev/vulnerability/CVE-2025-11378 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-11378 · Security Note
• https://github.com/short-pixel-optimizer/shortpixel-image-optimiser/commit/74263060acafbaf63b4a34f339a8b0dc35f2cad9 · Note
• https://t.me/cveNotify/139309 · Telegram Post
• https://twitter.com/CVEnew/status/1979395072828543395 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1979417566490525876 · Twitter Post
• https://wordfence.com/threat-intel/vulnerabilities/id/1f7e9eb5-e222-43fa-a14f-b9cbced6b8f5?source=cve · Note
• https://research.cleantalk.org/CVE-2025-11378 · Note
• https://t.me/CVEtracker/35247 · Telegram Post
• 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= · Note