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CVE-2023-2648E-Office Unrestricted File Upload

It has been classified as critical.

Published May 11, 2023 · Updated Jan 24, 2025

Key Facts

Patch immediately
  • CVE-2023-2648 is a critical-severity vulnerability (CVSS 9.8 v3.1) affecting E-Office (Weaver).
  • It is exploited in the wild, listed in CIRCL KEV, Industry KEV feed since Mar 7, 2024. Public exploit code is available.
  • EPSS estimates a 28% probability of exploitation in the next 30 days.
  • No fixed version is listed yet; check the vendor advisory for mitigations.
  • Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Scores

CVSS v3.1

9.8

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS (30-day exploit likelihood)

28%

Higher than 98.1% of all scored CVEs

Exploit maturity

Proof of concept

ATLAS score

40/100

Publication score, see How it works

Exploitation Verdict

KEV listed

Mar 7, 2024

Federal due date

None

No federal due date

Ransomware use

Not reported

Attributed actors

None named

Exploit & Defence Guidance

Exploit maturity

Proof of concept

Public exploit code

1

Proof-of-concept links

In-the-wild evidence

10

Reports of active use

Advisories And Exploit References

Description

A vulnerability was found in Weaver E-Office 9.5. It has been classified as critical. This affects an unknown part of the file /inc/jquery/uploadify/uploadify.php.

The manipulation of the argument Filedata leads to unrestricted upload. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

The identifier VDB-228777 was assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Known-Exploited Catalog Listings

CatalogAddedRemediation dueRansomware use
CIRCL KEVMar 7, 2024n/aNot reported
Industry KEV feedMar 7, 2024n/aNot reported

Affected Products

2 affected entries in total
ProductAffected versionsFixed in
E-OfficeWeaver9.5, >= 9.5n/a

Timeline

  1. Publicly disclosed

    May 11, 2023

  2. Added to CIRCL KEV

    Mar 7, 2024

  3. Added to Industry KEV feed

    Mar 7, 2024

  4. Last updated

    Jan 24, 2025

Weakness Type

  • CWE-434 Unrestricted Upload of File with Dangerous Type

References

8 more references in the full CVE brief

FAQ

Common Questions.

Is CVE-2023-2648 On Your Attack Surface?

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Figures as of Oct 19, 2026. Compiled by Brandefense technologies from public vulnerability catalogs; scoring as described in How it works.

To report an error, contact Brandefense.