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CVE-2026-12098— PowerPress Podcasting plugin by Blubrry <= 11.16.8 - Authenticated (Author+) Stored Cross-Site Scripting via 'embed' Episode Meta Field

Quick assessment

Affected
blubrry PowerPress Podcasting plugin by Blubrry
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.

blubrry PowerPress Podcasting plugin by Blubrry是blubrry公司的一款WordPress播客插件。 blubrry PowerPress Podcasting plugin by Blubrry 11.16.8及之前版本存在跨站脚本漏洞，该漏洞源于通过'embed' Episode Meta Field的输入清理和输出转义不足，可能导致已身份验证的攻击者（具有作者级别及以上权限）注入任意Web脚本。

CVSS 6.4 · Medium EPSS 0.20% · P9

Affected Version Matrix 1

VendorProduct Version RangeStatus
blubrry PowerPress Podcasting plugin by Blubrry ≤ 11.16.8 affected
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I. Basic Information for CVE-2026-12098

Vulnerability Information
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Vulnerability Title
PowerPress Podcasting plugin by Blubrry <= 11.16.8 - Authenticated (Author+) Stored Cross-Site Scripting via 'embed' Episode Meta Field
Source: CVE Program / CVE List V5
Vulnerability Description
The PowerPress Podcasting plugin by Blubrry plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'embed' Episode Meta Field in all versions up to, and including, 11.16.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The embed value is stored via update_post_meta() rather than through WordPress core's post content pipeline, meaning kses-on-save filtering is never applied — even for Author-role users who would otherwise lack unfiltered_html — making this path unprotected by WordPress's standard role-based XSS mitigations.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
blubrry PowerPress Podcasting plugin by Blubrry 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
blubrry PowerPress Podcasting plugin by Blubrry是blubrry公司的一款WordPress播客插件。 blubrry PowerPress Podcasting plugin by Blubrry 11.16.8及之前版本存在跨站脚本漏洞，该漏洞源于通过'embed' Episode Meta Field的输入清理和输出转义不足，可能导致已身份验证的攻击者（具有作者级别及以上权限）注入任意Web脚本。
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
blubrry PowerPress Podcasting plugin by Blubrry 0 ~ 11.16.8 -

II. Public POCs for CVE-2026-12098

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III. Intelligence Information for CVE-2026-12098

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Patches & Fixes for CVE-2026-12098 (1)

Other References for CVE-2026-12098 (1)

IV. Related Vulnerabilities

Same product: PowerPress Podcasting plugin by Blubrry
Same vendor: blubrry
Same weakness: CWE-79