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CVE-2026-89413— Filter Gallery <= 1.1.4 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Gallery Deletion via 'ufg_gallery_id' Parameter

Quick assessment

Affected
farazfrank Filter Gallery
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 的 Filter Gallery 插件在包括 1.1.4 及之前的所有版本中均存在授权绕过漏洞。该漏洞源于插件未正确验证用户是否有权执行特定操作。这使得拥有订阅者（subscriber）级别及以上权限的已认证攻击者，通过提供由攻击者控制的画廊 ID，可以删除任意 Filter Gallery 记录——包括所有关联的过滤器、图像映射、设置和详细选项。需要注意的是，该 nonce（一次性令牌）绕过机制要求完全省略 nonce POST 字段，而不是提交无效的 nonce 值，因为存在但无效的 non

CVSS 8.1 · High EPSS 0.54% · P46

Affected Version Matrix 1

VendorProduct Version RangeStatus
farazfrank Filter Gallery ≤ 1.1.4 affected
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I. Basic Information for CVE-2026-89413

Vulnerability Information
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Vulnerability Title
Filter Gallery <= 1.1.4 - Missing Authorization to Authenticated (Subscriber+) Arbitrary Gallery Deletion via 'ufg_gallery_id' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The Filter Gallery plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.1.4. 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 delete any arbitrary Filter Gallery records — including all associated filters, image mappings, settings, and details options — by supplying attacker-controlled gallery IDs. The nonce bypass requires omitting the nonce POST field entirely rather than submitting an invalid value, as a present-but-invalid nonce is correctly rejected.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
farazfrank Filter Gallery 0 ~ 1.1.4 -

II. Public POCs for CVE-2026-89413

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III. Intelligence Information for CVE-2026-89413

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Other References for CVE-2026-89413 (1)

IV. Related Vulnerabilities

Same product: Filter Gallery
Same vendor: farazfrank
Same weakness: CWE-862