Vulnerability · Published Oct 15, 2026 · Assigned by VulnCheck

CVE-2026-111348Likeshop through 3.5.1 IDOR via AfterSale API Refund Endpoints

Medium 5.4

In plain English

A medium-severity authorization bypass via user-controlled key in likeshop from likeshop. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 20% of all known vulnerabilities).

Severity (CVSS 3.1)5.4Medium

Exploit odds (30 days)0.3%top 80.2% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

Likeshop through 3.5.1 contains an insecure direct object reference vulnerability in AfterSale.php and AfterSaleLogic.php that lets authenticated users access other customers' after-sale records by supplying their ids. Attackers with self-registered accounts can call the detail, goodsInfo, cancel, express, and again actions to read refund and order data, cancel refunds, overwrite return shipment details, or re-open refused refunds.

Affected products (as reported)

Vendor	Product	Versions
likeshop	likeshop	0 – through 3.5.1

Weakness: CWE-639 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

References

https://hackmd.io/@hieuPenguinnn/likeshop-after-sale-api-cross-user-idor third-party-advisory
https://github.com/likeadmin-likeshop/likeshop/blob/3.5.1/server/application/api/controller/AfterSale.php#L52-L102 technical-description
https://github.com/likeadmin-likeshop/likeshop/blob/3.5.1/server/application/api/logic/AfterSaleLogic.php#L251-L377 technical-description
https://github.com/likeadmin-likeshop/likeshop product
VulnCheck Advisory: Likeshop through 3.5.1 IDOR via AfterSale API Refund Endpoints third-party-advisory