# CVE-2026-123028: itsourcecode Online Book Store admin_edit.php sql injection

Status: published. Published: 2026-11-05. Updated: 2026-11-06.

A vulnerability was identified in itsourcecode Online Book Store 1.0. Affected by this issue is some unknown functionality of the file /admin_edit.php. The manipulation of the argument bookisbn with the input 1%27%20AND%20GTID_SUBSET(CONCAT(0x71717a6b71,(SELECT%20(ELT(6040=6040,1))),0x716b6a7171),6040)--%20LpDt as part of String leads to sql injection. It is possible to initiate the attack remotely. The exploit is publicly available and might be used.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- itsourcecode / Online Book Store: 1.0 (affected). Source: CNA: VulDB

## Severity and prioritization

- CVSS 4.0: 6.9 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P; source: CNA: VulDB

- CVSS 3.1: 7.3 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R; source: CNA: VulDB

- CVSS 3.0: 7.3 (high); CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R; source: CNA: VulDB

- CVSS 2.0: 7.5 (high); AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR; source: CNA: VulDB

- CVSS 4.0: 5.5 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X; source: NVD: cna@vuldb.com

- CVSS 3.1: 7.3 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L; source: NVD: cna@vuldb.com

- CVSS 2.0: 7.5 (high); AV:N/AC:L/Au:N/C:P/I:P/A:P; source: NVD: cna@vuldb.com

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: exploitation none; automatable yes; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-89, CWE-74

## Exploit evidence

- exploit: https://github.com/yomymy/Submit/issues/1 (CNA: VulDB)

## References

- https://vuldb.com/vuln/431400 (CNA: VulDB; vdb-entry, technical-description)

- https://vuldb.com/vuln/431400/cti (CNA: VulDB; signature, permissions-required)

- https://vuldb.com/cve/CVE-2026-123028 (CNA: VulDB; third-party-advisory)

- https://vuldb.com/submit/1027526 (CNA: VulDB; third-party-advisory)

- https://github.com/yomymy/Submit/issues/1 (CNA: VulDB; exploit, issue-tracking)

- https://itsourcecode.com/ (CNA: VulDB; product)

- https://github.com/yomymy/Submit/issues/1 (cna@vuldb.com)

- https://itsourcecode.com/ (cna@vuldb.com)

- https://vuldb.com/cve/CVE-2026-123028 (cna@vuldb.com)

- https://vuldb.com/submit/1027526 (cna@vuldb.com)

- https://vuldb.com/vuln/431400 (cna@vuldb.com)

- https://vuldb.com/vuln/431400/cti (cna@vuldb.com)

## Provenance

- CNA: VulDB: https://www.cve.org/CVERecord?id=CVE-2026-123028; retrieved 2026-11-06; source updated 2026-11-06

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-123028; retrieved 2026-11-06; source updated 2026-11-05

Revision: a0f750da2455c2dd8536f08ad7107d577278d48173980be08ac673d0f4838acd

Canonical: https://y2.dev/cve/CVE-2026-123028

## Agent and API access

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- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

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