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Stored cross-site scripting in WordPress Content Slider Block plugin

Priority LOW 28CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · Low
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

The bPlugins Content Slider Block plugin for WordPress (from n/a through 3.2.1) fails to neutralize input during web page generation (CWE-79). This lets stored script be saved and rendered in pages. A user with low privileges can exploit it when another user interacts with the affected page, running script in that user's browser.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in bPlugins Content Slider Block content-slider-block allows Stored XSS.This issue affects Content Slider Block: from n/a through 3.2.1.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.0017 6th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
bPluginsContent Slider Blockup to 3.2.1—No fix listedCNA
  • Content Slider Block VendorbPlugins Affected up to 3.2.1 Fixed in — No fix listed CNA

Remediation

No fixed version is listed for Content Slider Block.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

  1. 2026-10-26 Threatist record created from CVE-2026-116398
  2. 2026-10-26 CISA SSVC decision points changed
  3. 2026-10-26 Priority changed: MEDIUM → LOW
  4. 2026-10-27 Alias added: GHSA-wqr6-p8fh-96xh

References

  • TI-2024-05133 HTML5 Video Player < 2.5.27 - Unauthenticated SQLi CVSS 3.1MEDIUM 6.5
  • TI-2024-00982 SQL injection in html5-video-player CVSS 3.1CRITICAL 9.8
  • TI-2023-00164 Html5 Audio Player < 2.1.12 - Contributor+ Stored XSS CVSS 3.1MEDIUM 5.4
  • TI-2025-11361 Missing authorization in bPlugins Document Embedder – Embed PDFs, Word, Excel, and Other… CVSS 3.1HIGH 8.6
  • TI-2025-07373 B Blocks <= 2.0.6 - Missing Authorization to Unauthenticated Privilege Escalation via rgfr_registration Function CVSS 3.1CRITICAL 9.8
  • TI-2026-40456 WordPress MailChimp Block plugin <= 1.1.15 - Broken Access Control vulnerability CVSS 3.1HIGH 8.3
See all 123 →

Sources