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TI-2023-05510 Aliases CVE-2023-5980GHSA-vp7j-cfrc-8499

BSK Forms Blacklist < 3.7 - Admin+ Stored Cross-Site Scripting

Priority MEDIUM 55CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

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

Summary

The BSK Forms Blacklist WordPress plugin before 3.7 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup).

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00379 32nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed BSK Forms Blacklist (Unknown): 3.7

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
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
UnknownBSK Forms Blacklistbefore 3.73.7Patch availableCNA
  • BSK Forms Blacklist VendorUnknown Affected before 3.7 Fixed in 3.7 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:bannersky:bsk_forms_blacklist:*:*:*:*:*:wordpress:*:*before 3.7Vulnerablebannersky
  • cpe:2.3:a:bannersky:bsk_forms_blacklist:*:*:*:*:*:wordpress:*:* Versions before 3.7 Vulnerable ·bannersky

Remediation

  • Fix · CNA BSK Forms Blacklist (Unknown) Fixed in 3.7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-5980
  2. 2026-10-03 Alias added: GHSA-vp7j-cfrc-8499

References

Exploit 1

  • TI-2023-14650 WordPress BSK Forms Blacklist Plugin <= 3.6.2 is vulnerable to SQL Injection CVSS 3.1HIGH 7.6

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences