CVE-2026-90902 Joomla Easy Store - SQL Injection

Joomla Easy Store extension 1.0.0-3.0.0 contains an authenticated, privileged SQL injection caused by unsanitized input concatenated into raw SQL IN clauses in coupon bulk update, letting authenticated administrators execute arbitrary SQL, exploit requires administrator privileges.

CVSS base score 8.6 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.28% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
SQL Injection
Impact
Data Tampering, Information Disclosure
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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
Published
23 September 2026
Updated
15 October 2026
Weakness
CWE-89

Vendor fix

Update to a version that strictly casts IDs to integers and uses parameterized queries or upgrade to the latest version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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