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CVE-2026-6972— SKT Skill Bar <= 2.6 - Authenticated (Contributor+) Stored Cross-Site Scripting

Quick assessment

Affected
sonalsinha21 SKT Skill Bar
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 SKT Skill Bar是WordPress基金会开源的一款前端技能条组件。 WordPress SKT Skill Bar 2.6及之前版本存在跨站脚本漏洞，该漏洞源于对 属性的输入清理和输出转义不足，可能导致存储型跨站脚本攻击，经过身份验证的攻击者可在页面中注入任意Web脚本，在用户访问被注入页面时执行。

CVSS 6.4 · Medium EPSS 0.35% · P26

Affected Version Matrix 1

VendorProduct Version RangeStatus
sonalsinha21 SKT Skill Bar ≤ 2.6 affected
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I. Basic Information for CVE-2026-6972

Vulnerability Information
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Vulnerability Title
SKT Skill Bar <= 2.6 - Authenticated (Contributor+) Stored Cross-Site Scripting
Source: CVE Program / CVE List V5
Vulnerability Description
The SKT Skill Bar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `chart_size` attribute of the `skillwrapper` shortcode in all versions up to, and including, 2.6. This is due to insufficient input sanitization and output escaping on the `chart_size` attribute, which is concatenated directly into an inline `<style>` block. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
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
WordPress SKT Skill Bar 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress SKT Skill Bar是WordPress基金会开源的一款前端技能条组件。 WordPress SKT Skill Bar 2.6及之前版本存在跨站脚本漏洞，该漏洞源于对`chart_size`属性的输入清理和输出转义不足，可能导致存储型跨站脚本攻击，经过身份验证的攻击者可在页面中注入任意Web脚本，在用户访问被注入页面时执行。
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
sonalsinha21 SKT Skill Bar 0 ~ 2.6 -

II. Public POCs for CVE-2026-6972

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III. Intelligence Information for CVE-2026-6972

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Patches & Fixes for CVE-2026-6972 (1)

News Coverage for CVE-2026-6972 (1)

Vendor Pages for CVE-2026-6972 (1)

IV. Related Vulnerabilities

Same product: SKT Skill Bar
Same vendor: sonalsinha21
Same weakness: CWE-79

V. Comments for CVE-2026-6972

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