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CVE-2026-5551— itsourcecode Free Hotel Reservation System Parameter login.php sql injection

Quick assessment

Affected
itsourcecode Free Hotel Reservation System
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

itsourcecode Free Hotel Reservation System是itsourcecode开源的一个酒店预订系统。 itsourcecode Free Hotel Reservation System 1.0版本存在SQL注入漏洞，该漏洞源于对文件/hotel/admin/login.php中参数email的错误操作，可能导致SQL注入攻击。

CVSS 7.3 · High EPSS 0.41% · P33
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I. Basic Information for CVE-2026-5551

Vulnerability Information
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Vulnerability Title
itsourcecode Free Hotel Reservation System Parameter login.php sql injection
Source: CVE Program / CVE List V5
Vulnerability Description
A security flaw has been discovered in itsourcecode Free Hotel Reservation System 1.0. This vulnerability affects unknown code of the file /hotel/admin/login.php of the component Parameter Handler. The manipulation of the argument email results in sql injection. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
itsourcecode Free Hotel Reservation System SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
itsourcecode Free Hotel Reservation System是itsourcecode开源的一个酒店预订系统。 itsourcecode Free Hotel Reservation System 1.0版本存在SQL注入漏洞，该漏洞源于对文件/hotel/admin/login.php中参数email的错误操作，可能导致SQL注入攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
itsourcecode Free Hotel Reservation System 1.0 cpe:2.3:a:itsourcecode:free_hotel_reservation_system:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-5551

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III. Intelligence Information for CVE-2026-5551

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Other References for CVE-2026-5551 (2)

Same Patch Batch · itsourcecode · 2026-04-05 · 3 CVEs total

CVE-2026-5534 7.3 HIGH itsourcecode Online Enrollment System Parameter index.php sql injection
CVE-2026-5553 6.3 MEDIUM itsourcecode Online Cellphone System Parameter available.php sql injection

IV. Related Vulnerabilities

Same product: Free Hotel Reservation System
Same vendor: itsourcecode
Same weakness: CWE-89

V. Comments for CVE-2026-5551

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