What is CVE-2026-76783?

CVE-2026-76783 is a high-severity vulnerability in Dedecms, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.3/10. Published 2026-08-20.

How severe is CVE-2026-76783?

High severity. CVSS v3 base score is 7.3 out of 10.

SQL Injection in Dedecms

CVE-2026-76783

A security vulnerability has been detected in DeDeCMS 53_1_UTF8. This vulnerability affects unknown code of the file /plus/advancedsearch.php. Such manipulation of the argument sql leads to sql injection. The attack can be launched remotely. The exploit has been disclosed publicly and may be used.

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

N/a Dedecms — versions 53_1_UTF8

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (exploit)

Frequently asked questions

What is CVE-2026-76783?: CVE-2026-76783 is a high-severity vulnerability in Dedecms, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 7.3/10. Published 2026-08-20.
How severe is CVE-2026-76783?: High severity. CVSS v3 base score is 7.3 out of 10.