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TI-2018-03872 Aliases CVE-2018-5331GHSA-m494-44p8-mhr9

Discuz! DiscuzX X3.4 has XSS via the view parameter to include/space/space_poll.php, as…

Priority LOW 25CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

Discuz! DiscuzX X3.4 has XSS via the view parameter to include/space/space_poll.php, as demonstrated by a mod=space do=poll request to home.php.

Why it matters now

EPSS 0.00641 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:discuz:discuzx:x3.4:*:*:*:*:*:*:*x3.4VulnerableDiscuz!
  • cpe:2.3:a:discuz:discuzx:x3.4:*:*:*:*:*:*:* Versions x3.4 Vulnerable ·Discuz!

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-5331
  2. 2026-10-03 Alias added: GHSA-m494-44p8-mhr9
  3. 2026-10-21 EPSS moved to the 50th–90th percentile

References

Exploit 1

  • 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-2018-03813 Discuz! DiscuzX X3.4 allows remote authenticated users to bypass intended… CVSS 3.0HIGH 8.8
  • 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
See all 8 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences