CVE-2025-12346HIGH 8.8EPSS p24.2%

CVE-2025-12346CVE-2025-12346

Description

A vulnerability was detected in MaxSite CMS up to 109. This vulnerability affects unknown code of the file application/maxsite/admin/plugins/auto_post/uploads-require-maxsite.php of the component HTTP Header Handler. Performing manipulation of the argument X-Requested-FileName/X-Requested-FileUpDir results in unrestricted upload. Remote exploitation of the attack is possible. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS0.33% probability of exploitation · percentile 24.2% · 2026-06-19T12:03:05Z
Published2025-10-28
Last modified2026-04-29

Underlying weaknesses· 2

CWE-284CWE-434

References

  1. https://note-hxlab.wetolink.com/share/8QmDZCddHvyR
  2. https://vuldb.com/?ctiid.330136
  3. https://vuldb.com/?id.330136
  4. https://vuldb.com/?submit.674551

2

TypeTargetConfidenceTier
WeaknessImproper Access Controlcwe-2840%live
WeaknessUnrestricted Upload of File with Dangerous Typecwe-4340%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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CVE-2025-12347
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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.