Read the docs
TI-2023-01673 Aliases CVE-2023-1780GHSA-gpvv-vf7g-q8f6

Companion Sitemap Generator < 4.5.3 - Reflected XSS

Priority MEDIUM 60CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
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 Companion Sitemap Generator WordPress plugin before 4.5.3 does not sanitise and escape some parameters before outputting them back in pages, leading to Reflected Cross-Site Scripting which could be used against high privilege users such as admin.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00998 62nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
Fix Fixed Companion Sitemap Generator (Unknown): 4.5.3

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
UnknownCompanion Sitemap Generatorbefore 4.5.34.5.3Patch availableCNA
  • Companion Sitemap Generator VendorUnknown Affected before 4.5.3 Fixed in 4.5.3 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:codeermeneer:companion_sitemap_generator:*:*:*:*:*:wordpress:*:*before 4.5.3VulnerableCodeermeneer
  • cpe:2.3:a:codeermeneer:companion_sitemap_generator:*:*:*:*:*:wordpress:*:* Versions before 4.5.3 Vulnerable ·Codeermeneer

Remediation

  • Fix · CNA Companion Sitemap Generator (Unknown) Fixed in 4.5.3

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-1780
  2. 2026-10-03 Alias added: GHSA-gpvv-vf7g-q8f6

References

  • TI-2023-00062 Companion Sitemap Generator <= 4.5.1.1 - Contributor+ Stored XSS CVSS 3.1MEDIUM 5.4
  • TI-2019-11284 The companion-sitemap-generator plugin before 3.7.0 for WordPress has CSRF. CVSS 3.0HIGH 8.8

Sources