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CVE-2026-15345— ShortPixel Adaptive Images <= 3.11.5 - Missing Authorization to Authenticated (Subscriber+) Third-Party Plugin Option Modification via 'causer' Parameter

Quick assessment

Affected
shortpixel ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress ShortPixel Adaptive Images是WordPress基金会开源的一款图片自适应优化插件。 WordPress ShortPixel Adaptive Images 3.11.5及之前版本存在授权问题漏洞，该漏洞源于插件未正确验证用户是否具备执行操作的授权，可能导致已认证的攻击者（订阅者级别及以上）修改第三方插件配置选项以及插件自身的API密钥和账户绑定。

CVSS 4.3 · Medium EPSS 0.43% · P35

Affected Version Matrix 1

VendorProduct Version RangeStatus
shortpixel ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization ≤ 3.11.5 affected
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I. Basic Information for CVE-2026-15345

Vulnerability Information
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Vulnerability Title
ShortPixel Adaptive Images <= 3.11.5 - Missing Authorization to Authenticated (Subscriber+) Third-Party Plugin Option Modification via 'causer' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 3.11.5. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to modify configuration options of third-party plugins including ShortPixel Image Optimizer, Autoptimize, WP Rocket, Imagify, and LiteSpeed Cache, as well as the plugin's own API key and account binding. Exploitation requires the respective third-party plugins to be installed, as the impact against those plugins' settings is only reachable when those plugins are present.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress ShortPixel Adaptive Images 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress ShortPixel Adaptive Images是WordPress基金会开源的一款图片自适应优化插件。 WordPress ShortPixel Adaptive Images 3.11.5及之前版本存在授权问题漏洞，该漏洞源于插件未正确验证用户是否具备执行操作的授权，可能导致已认证的攻击者（订阅者级别及以上）修改第三方插件配置选项以及插件自身的API密钥和账户绑定。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
shortpixel ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization 0 ~ 3.11.5 -

II. Public POCs for CVE-2026-15345

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III. Intelligence Information for CVE-2026-15345

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Patches & Fixes for CVE-2026-15345 (1)

IV. Related Vulnerabilities

Same product: ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization
Same vendor: shortpixel
Same weakness: CWE-862

V. Comments for CVE-2026-15345

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