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Critical severity · published Jan 5, 2026
CVE-2026-0591
code-projects Online Product Reservation System Cart Update update.php sql injection
9.8
CVSS
0.4%
EPSS
No
On KEV
Description
A vulnerability was identified in code-projects Online Product Reservation System 1.0. The impacted element is an unknown function of the file /app/checkout/update.php of the component Cart Update Handler. Such manipulation of the argument id/qty leads to sql injection. It is possible to launch the attack remotely. The exploit is publicly available and might be used.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 30% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
Online Product Reservation System · code-projects
1.0 · source: vendor, NVD
Affected product
OP
Online Product Reservation System
code-projects
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-0591
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-0591
Product
https://code-projects.org/
Exploit
https://github.com/foeCat/CVE/blob/main/OnlineProductReservation_PHP/sqli_checkout_update.php.md
Exploit
https://github.com/foeCat/CVE/blob/main/OnlineProductReservation_PHP/sqli_checkout_update.php.md#poc
Permissions Required
https://vuldb.com/?ctiid.339501
Third Party Advisory
https://vuldb.com/?id.339501
Third Party Advisory
https://vuldb.com/?submit.731129
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