CVE-2026-6972
SKT Skill Bar <= 2.6 - Authenticated (Contributor+) Stored Cross-Site Scripting
Published 3 mo ago · modified 2 mo ago · JSON
Summary
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.
CISA SSVC assessment
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 3 mo ago
Exploit prediction (EPSS)
0.35% probability of exploitation in the next 30 days, higher than 29% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| CNA | 3.1 | 6.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N |
| CNA | 3.1 | 6.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N |
Affected products
- sonalsinha21 SKT Skill Bar
Classification
- Weakness
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
- wordfence.com /threat-intel/vulnerabilities/id/eb689760-837f-45e6-ba51-a834053be6ae?source=cve
- plugins.trac.wordpress.org /browser/skt-skill-bar/tags/2.6/sktskillbar.php#L240
- plugins.trac.wordpress.org /browser/skt-skill-bar/trunk/sktskillbar.php#L240
- plugins.trac.wordpress.org /browser/skt-skill-bar/tags/2.6/sktskillbar.php#L56
- plugins.trac.wordpress.org /browser/skt-skill-bar/tags/2.6/sktskillbar.php#L541
- plugins.trac.wordpress.org /changeset?reponame=&new=3565730%40skt-skill-bar%2Ftrunk&old=3565726%40skt-skill-bar%2Ftru
Sources
- CVE List: CVE-2026-6972
- NVD: CVE-2026-6972
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