Discuz! DiscuzX X3.4 allows remote authenticated users to bypass intended…
Priority MEDIUM 42Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
Discuz! DiscuzX X3.4 allows remote authenticated users to bypass intended attachment-deletion restrictions via a modified aid parameter.
Why it matters now
EPSS 0.01964 80th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-5259
- 2026-10-03 Alias added: GHSA-4476-jj98-xj5g
References
More Discuz! Discuzx vulnerabilities
- TI-2024-20381 Reflected Cross-Site Scripting (XSS) vulnerability in Discuz! version X3.4 20220811… CVSS 3.1HIGH 7.1
- TI-2022-22486 Cross site scripting (XSS) vulnerability in DiscuzX 3.4 allows attackers to execute… CVSS 3.1MEDIUM 6.1
- TI-2018-03910 Discuz! DiscuzX X3.4 allows remote attackers to bypass intended access restrictions via… CVSS 3.0CRITICAL 9.8
- TI-2018-03909 Discuz! DiscuzX X3.4 has XSS via the include\spacecp\spacecp_upload.php op parameter. CVSS 3.1MEDIUM 6.1
- TI-2018-03908 Discuz! DiscuzX X3.4 has XSS via the include\spacecp\spacecp_space.php appid parameter in a delete action. CVSS 3.0MEDIUM 6.1
- TI-2018-07296 Discuz! DiscuzX through X3.4 has reflected XSS via forum.php?mod=post&action=newthread… CVSS 3.0MEDIUM 5.4
Sources
- CVE-2018-5259 · CVE Program
- CVE-2018-5259 · NVD
- FIRST EPSS
- GHSA-4476-jj98-xj5g · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences