# CVE-2026-15502 — AojiaoZero Antaris

> As of 2026-07-13, CVE-2026-15502 is a MEDIUM-severity vulnerability in AojiaoZero Antaris, CVSS v3.1 6.3, EPSS 0.1% (9.5th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-15502 as of 2026-07-13; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-07-13

## What is CVE-2026-15502?

A vulnerability was detected in AojiaoZero Antaris 1.0. This affects the function _rewardPurchase of the file /ipn.php of the component PayPal IPN Payment Handler. The manipulation of the argument item_number results in sql injection. The attack may be performed from remote. The vendor was contacted early about this disclosure but did not respond in any way.

The record classifies CVE-2026-15502 under weakness classes [CWE-89](https://intel.threadlinqs.com/cwe/CWE-89), [CWE-74](https://intel.threadlinqs.com/cwe/CWE-74). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 85 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 6.3 — MEDIUM (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:X/RL:X/RC:R`)
- **CVSS v4.0 base score:** 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X`)
- **EPSS (FIRST):** 0.1% probability of exploitation in the next 30 days, higher than 9.5% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 3.5/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-07-12, last modified 2026-07-13

## Is CVE-2026-15502 being exploited?

It currently carries a trending score of 32 in the Threadlinqs vulnerability feed.

## Affected products and versions

- **AojiaoZero**: Antaris

## How to fix CVE-2026-15502

No vendor patch reference has been recorded for CVE-2026-15502 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-15502

No threat campaign in the Threadlinqs corpus currently references CVE-2026-15502, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on 2026-07-14.

**Technical analysis**

- [vuldb.com — vdb entry](https://vuldb.com/vuln/377809)

**Third-party advisory**

- [vuldb.com — signature](https://vuldb.com/vuln/377809/cti)
- [vuldb.com — third party advisory](https://vuldb.com/cve/CVE-2026-15502)
- [vuldb.com — third party advisory (844725)](https://vuldb.com/submit/844725)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-15502
Full detection coverage and IOCs for threats exploiting CVE-2026-15502 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp