CVE-2025-15116: OpenCart Single-Use Coupon race condition

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2025-12-28 · updated 2026-10-13
Weakness: CWE-362

Description

A security flaw has been discovered in OpenCart up to 4.1.0.3. Affected by this issue is some unknown functionality of the component Single-Use Coupon Handler. Performing a manipulation results in race condition. The attack may be initiated remotely. The attack's complexity is rated as high. The exploitation is known to be difficult. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

Affected products

OpenCart: through 4.1.0.3

References

https://gist.github.com/KhanMarshaI/a55f125a55de1c0d4f41e66236027e01
https://gist.github.com/KhanMarshaI/a55f125a55de1c0d4f41e66236027e01#steps-to-reproduce
https://vuldb.com/?ctiid.338494
https://vuldb.com/?id.338494
https://vuldb.com/?submit.711745

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