CVE-2026-108826 Zen Cart PayPal IPN paypaldp.php zen_db_perform sql injection
Remote attackers can exploit SQL injection in Zen Cart's PayPal IPN handler to read or modify database contents.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-108826?
CVE-2026-108826 is a medium-severity SQL injection vulnerability in Zen Cart, published on 12 Oct 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability was found in Zen Cart up to 2.2.2. This impacts the function zen_db_perform in the library includes/modules/payment/paypaldp.php of the component PayPal IPN Handler. Performing a manipulation of the argument txn_id results in sql injection. The attack can be initiated remotely. The exploit has been made public and could be used. The patch is named 557154f4fa025f51553094f47b06aa024220c48f. It is suggested to install a patch to address this issue.
Which versions are affected by CVE-2026-108826?
How do I fix CVE-2026-108826?
No fix has been published for CVE-2026-108826 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-108826 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-108826 exists.
Sources
Also known as GHSA-r88v-rcqx-2gj8.