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TI-2023-00510 Aliases CVE-2023-0539GHSA-232q-w9mq-2c55

GS Insever Portfolio < 1.4.5 - Contributor+ Stored XSS

Priority MEDIUM 58CWE-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 · None
Fix status
Fixed

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

Summary

The GS Insever Portfolio WordPress plugin before 1.4.5 does not validate and escape some of its shortcode attributes before outputting them back in a page/post where the shortcode is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00528 44th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed GS Insever Portfolio (Unknown): 1.4.5

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
UnknownGS Insever Portfoliobefore 1.4.51.4.5Patch availableCNA
  • GS Insever Portfolio VendorUnknown Affected before 1.4.5 Fixed in 1.4.5 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gsplugins:gs_insever_portfolio:*:*:*:*:*:wordpress:*:*before 1.4.5VulnerableGS Plugins
  • cpe:2.3:a:gsplugins:gs_insever_portfolio:*:*:*:*:*:wordpress:*:* Versions before 1.4.5 Vulnerable ·GS Plugins

Remediation

  • Fix · CNA GS Insever Portfolio (Unknown) Fixed in 1.4.5

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-0539
  2. 2026-10-03 Alias added: GHSA-232q-w9mq-2c55

References

Sources