CVE-2020-15160: PrestaShop from version 1.7.5.0 and before version 1.7.6.8 is vulnerable to a blind SQL Injection attack in the Catalog Product edition page with location…

PriorityP266critical9.8CVSS 3.1

AVNACLPRNUINSUCHIHAH

EXPLOIT

EPSS

10.81%

95.3th percentile

PrestaShop from version 1.7.5.0 and before version 1.7.6.8 is vulnerable to a blind SQL Injection attack in the Catalog Product edition page with location parameter. The problem is fixed in 1.7.6.8

Affected

2 ranges

Vendor	Product	Version range	Fixed in
prestashop	prestashop	—	—
prestashop	prestashop	>= 1.7.5.0 < 1.7.6.8	1.7.6.8

Detection & IOCsextracted from sources · hover to see the quote

other0'|(ascii(substr(user(),%d,1)) regexp [CHAR])#↗

other0'|ascii((substr((select passwd from ps_employee),1,1)) regexp [CHAR]#)↗

pathform[step3][location]↗

→Monitor POST requests to the PrestaShop admin Catalog Product edition page for SQL injection patterns in the `form[step3][location]` parameter, specifically payloads containing bitwise OR with ascii/substr/regexp constructs (e.g., `0'|(...regexp...)#`). ↗
→Blind SQLi is performed by iterating over character positions (range 1–40) using `ascii(substr(...))` with a regexp-based boolean oracle; detect repeated near-identical POST requests to the product edit endpoint differing only in the location field value. ↗
→The exploit targets extraction of the `passwd` column from the `ps_employee` table; alert on SQL fragments referencing `ps_employee` in HTTP POST body parameters. ↗

·The vulnerability affects PrestaShop versions 1.7.5.0 through 1.7.6.7 only; version 1.7.6.8 is patched. Detection rules should be scoped to unpatched instances. ↗
·Exploitation requires authenticated admin access to the back-office Catalog Product edition page; unauthenticated detection rules will produce false negatives. ↗

CVSS provenance

nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

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