Vulnerability · Published Aug 20, 2026 · Assigned by VulDB

CVE-2026-76783DeDeCMS advancedsearch.php sql injection

High 7.3

In plain English

A high-severity SQL injection in DeDeCMS. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities).

Severity (CVSS 3.1)7.3High

Exploit odds (30 days)0.4%top 64.5% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

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.

Affected products (as reported)

Vendor	Product	Versions
n/a	DeDeCMS	53_1_UTF8

Weakness: CWE-89, CWE-74 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

References

VDB-393243 | DeDeCMS advancedsearch.php sql injection vdb-entry, technical-description
VDB-393243 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
CVE-2026-76783 | CVE Analysis and Report third-party-advisory
Submit #879225 | https://www.dedecms.com/ DeDeCMS V53_1_UTF8 SQL Injection third-party-advisory
https://uvxbywu62qm.feishu.cn/wiki/X1T5w8jPUinAsVkM0bhcZf4XnHe?from=from_copylink exploit