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CVE-2026-109191— Image Hub <= 1.2.0 - Authenticated (Subscriber+) Sensitive Information Exposure in Admin Page HTML

Quick assessment

Affected
extendthemes Image Hub – Free Images from Unsplash, Pixabay, Pexels, Openverse & Giphy
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 插件"The Image Hub – Free Images from Unsplash, Pixabay, Pexels, Openverse & Giphy"在 1.2.0 及之前所有版本中存在敏感信息泄露漏洞。该漏洞通过 参数（共 6 个选项）触发。具备订阅者（Subscriber）及以上权限的已认证攻击者，可提取六个第三方服务（Giphy、Openverse（含客户端 ID 和密钥）、Pexels、Pixabay 和 Unsplash）的明文 API 凭证。这些凭证通过 以明文形式直接嵌

CVSS 4.3 · Medium EPSS 0.28% · P19

Affected Version Matrix 1

VendorProduct Version RangeStatus
extendthemes Image Hub – Free Images from Unsplash, Pixabay, Pexels, Openverse & Giphy ≤ 1.2.0 affected
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I. Basic Information for CVE-2026-109191

Vulnerability Information
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Vulnerability Title
Image Hub <= 1.2.0 - Authenticated (Subscriber+) Sensitive Information Exposure in Admin Page HTML
Source: CVE Program / CVE List V5
Vulnerability Description
The Image Hub – Free Images from Unsplash, Pixabay, Pexels, Openverse & Giphy plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 1.2.0 via the 'image_hub_api_keys_* (6 options)' parameter. This makes it possible for authenticated attackers, with subscriber-level access and above, to extract the plaintext API credentials for six third-party services — Giphy, Openverse (client ID and secret), Pexels, Pixabay, and Unsplash — emitted verbatim into every admin page's HTML via wp_localize_script. The leaked page HTML also contains a valid image_hub_nonce AJAX nonce, which — combined with the absence of any capability check in the image_hub_update_settings AJAX handler — allows the same Subscriber-level attacker to overwrite all six stored API credential options via update_option().
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
信息暴露
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
extendthemes Image Hub – Free Images from Unsplash, Pixabay, Pexels, Openverse & Giphy 0 ~ 1.2.0 -

II. Public POCs for CVE-2026-109191

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III. Intelligence Information for CVE-2026-109191

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Patches & Fixes for CVE-2026-109191 (1)

Proof of Concept for CVE-2026-109191 (1)

Vendor Pages for CVE-2026-109191 (5)

Other References for CVE-2026-109191 (2)

IV. Related Vulnerabilities

Same vendor: extendthemes
Same weakness: CWE-200

V. Comments for CVE-2026-109191

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