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CVE-2026-102776— Joomla Extension - svenbluege.de - Cross-site request forgery of list tasks of the backend in Event Gallery extension < 6.6.0

Quick assessment

Affected
svenbluege.de Event Gallery for Joomla
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.

Joomla 扩展 - svenbluege.de - Event Gallery 扩展版本低于 6.6.0 的管理端列表任务存在跨站请求伪造（CSRF）漏洞。后端列表按钮所触发的八个任务未验证表单令牌（form token）：包括设置默认支付方式、配送方式、图像类型、订单状态和水印；将事件添加至商店或从商店移除；选择事件的主图像以及设置图像是否仅作为主图像显示；以及对事件图像的排序。攻击者可通过在其他网站预构造的页面，以已登录管理员的身份触发这些操作，从而更改相关设置和标志位。此漏洞无法用于删除或读取任何数据，且

CVSS 5.1 · Medium

Possible ATT&CK Techniques 1 AI

T1556 · Modify Authentication Process
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I. Basic Information for CVE-2026-102776

Vulnerability Information
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Vulnerability Title
Joomla Extension - svenbluege.de - Cross-site request forgery of list tasks of the backend in Event Gallery extension < 6.6.0
Source: CVE Program / CVE List V5
Vulnerability Description
Joomla Extension - svenbluege.de - Cross-site request forgery of list tasks of the backend in Event Gallery extension < 6.6.0 - Eight tasks which the buttons of the back-end lists call did not check the form token: setting the default payment method, shipping method, image type set, order status and watermark; putting an event into the shop or taking it out; choosing the main image of an event and whether an image is shown only as the main image; and sorting the images of an event. A prepared page on another web site could trigger them in the name of a logged in administrator and change those settings and flags. Nothing can be deleted or read this way; orders are not affected.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
svenbluege.de Event Gallery for Joomla 1.0.0-6.6.0 -

II. Public POCs for CVE-2026-102776

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III. Intelligence Information for CVE-2026-102776

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Other References for CVE-2026-102776 (1)

Same Patch Batch · svenbluege.de · 2026-10-05 · 3 CVEs total

CVE-2026-102777 6.3 MEDIUM Joomla Extension - svenbluege.de - Server-side request forgery in the Google Photos picker
CVE-2026-102778 5.3 MEDIUM Joomla Extension - svenbluege.de - Cross-site scripting and open redirect on the share min

IV. Related Vulnerabilities

Same product: Event Gallery for Joomla
Same vendor: svenbluege.de
Same weakness: CWE-352

V. Comments for CVE-2026-102776

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