Quick answers
- Is CVE-2026-76783 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-76783 being exploited in the wild.
- How severe is CVE-2026-76783?
- High severity, with a CVSS score of 7.3, published 20 August 2026.
- Which products and versions are affected?
- DedeCMS 53_1_UTF8.
- Is there a fix for CVE-2026-76783?
- No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
- How is CVE-2026-76783 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-76783?
- Check whether you run DedeCMS at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
Technical details
The vulnerability is a SQL injection flaw in the /plus/advancedsearch.php file of DeDeCMS 53_1_UTF8, where unsanitized user input in the sql parameter is passed directly to database queries. The attack requires network access but does not require authentication. An attacker can inject malicious SQL commands to extract, modify, or delete data from the application's database. The vulnerability has been disclosed publicly and proof-of-concept code is available.
Affected products
- DeDeCMS DeDeCMS 53_1_UTF8
Timeline
- 2026-08-20: disclosed
- other: Exploit disclosed publicly and may be used in the wild