CVE-2026-82921: Access Control Flaw (CVSS 7.3)

Description

A weakness has been identified in ShopEx ECShop up to 2.5.1. This affects the function check_img_type of the file admin/pack.php. Executing a manipulation of the argument pack_img can lead to unrestricted upload. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.

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CVSS v3.1 Score

7.3

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Weakness Type (CWE)

CWE-284 CWE-284

CWE-434 Unrestricted Upload

References

Other References

https://uvxbywu62qm.feishu.cn/wiki/TNENwNItlitygtk2uABcj02lndc?from=from_copylink https://vuldb.com/cve/CVE-2026-82921 https://vuldb.com/submit/879229 https://vuldb.com/vuln/397301 https://vuldb.com/vuln/397301/cti

Frequently Asked Questions

What is CVE-2026-82921? +

A weakness has been identified in ShopEx ECShop up to 2.5.1. This affects the function check_img_type of the file admin/pack.php. Executing a manipulation of the argument pack_img can lead to unrestricted upload. It is possible to launch the attack remotely. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way. It has a CVSS v3.1 base score of 7.3 (HIGH).

How severe is CVE-2026-82921? +

CVE-2026-82921 has a CVSS v3.1 score of 7.3 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

How do I check if I'm vulnerable to CVE-2026-82921? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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