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Cross-site scripting in feelec-yishu feelcrm-os customer form

Priority MEDIUM 56CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting, Code execution
Confidentiality · integrity · availability
None · Low · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79 and CWE-94.

Summary

feelec-yishu feelcrm-os from 1.0.0 is affected. The htmlspecialchars_decode function in the Create Customer endpoint mishandles the remark field of the customer form, which enables cross-site scripting (CWE-79). A remote attacker with low privileges can exploit this when a user interacts with the page, and a public exploit is available.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

A vulnerability was found in feelec-yishu feelcrm-os 1.0.0. Affected by this issue is the function htmlspecialchars_decode of the file App/Feelcrm/Common/Model/CrmDefineFormModel.class.php of the component Create Customer Endpoint. Performing a manipulation of the argument customer_form[remark] results in cross site scripting. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00199 9th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

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
feelec-yishufeelcrm-os1.0.0—No fix listedCNA
  • feelcrm-os Vendorfeelec-yishu Affected 1.0.0 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:feelec-yishu:feelcrm-os:*:*:*:*:*:*:*:*———
  • cpe:2.3:a:feelec-yishu:feelcrm-os:*:*:*:*:*:*:*:* Versions — — ·—

Remediation

The sources list no fixed version for feelec-yishu feelcrm-os.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

  1. 2026-10-05 Threatist record created from CVE-2026-105289
  2. 2026-10-05 Alias added: GHSA-6f56-4432-9vhq

References

  • TI-2026-67724 feelec-yishu feelcrm-os server-side request forgery in getCurlData CVSS 4.0MEDIUM 6.9
  • TI-2026-68309 feelec-yishu feelcrm-os UploadTicketFile unrestricted file upload CVSS 4.0MEDIUM 5.3
  • TI-2026-67885 SQL injection in feelec-yishu feelcrm-os Member Endpoint CVSS 4.0MEDIUM 5.3
  • TI-2026-67725 Cross-site scripting in feelec-yishu feelcrm-os department search CVSS 4.0MEDIUM 5.3
  • TI-2026-67722 feelec-yishu feelcrm-os cross-site scripting in Crm Endpoint CVSS 4.0MEDIUM 5.3
  • TI-2026-67721 SQL injection in feelec-yishu feelcrm-os getMemberByGroups endpoint CVSS 4.0MEDIUM 5.3

Sources