# CVE-2026-116253: DedeCMS advertisement rendering code injection in aid parameter

Source: https://junglewise.ai/threats/cve-2026-116253-a-vulnerability-was-determined-in-dedecms-5-7-118-this  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-10-26. Updated: 2026-10-26  
License: CC BY 4.0 with a link back

CVE-2026-116253 · Severity: high · CVSS 7.3 · Published 2026-10-26

DedeCMS is a content management system used to build and manage websites. A vulnerability in the advertisement rendering component allows an attacker to inject malicious code by manipulating a parameter, potentially leading to unauthorized command execution and website compromise.

Technologies: [DedeCMS](https://junglewise.ai/threats/technologies/dedecms). Vendors: [DedeCMS](https://junglewise.ai/threats/vendors/dedecms).

## Quick answers

**Is CVE-2026-116253 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-116253 being exploited in the wild.

**How severe is CVE-2026-116253?** High severity, with a CVSS score of 7.3, published 26 October 2026.

**Which products and versions are affected?** DedeCMS 5.7.118.

**Is there a fix for CVE-2026-116253?** 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-2026-116253 attacked?** It is attacked over the network, in a web application.

**Am I affected by CVE-2026-116253?** 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

A code injection vulnerability exists in the advertisement rendering functionality of DedeCMS 5.7.118, specifically in the _RunMagicQuotes function within plus/ad_js.php. The vulnerability is triggered through improper handling of the aid parameter, allowing an attacker to inject arbitrary code that executes remotely without authentication required.

## Affected products

- DedeCMS DedeCMS 5.7.118

## Timeline

- 2026-10-26: disclosed

## References

- [https://vuldb.com/cve/CVE-2026-116253](https://vuldb.com/cve/CVE-2026-116253)
- [https://vuldb.com/submit/1009307](https://vuldb.com/submit/1009307)

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- [DeDeCMS unrestricted file upload in media dialog](https://junglewise.ai/threats/cve-2026-76800-dedecms-unrestricted-file-upload-in-media-dialog)