CVE-2023-2648
High PUBLISHEDWeaver E-Office uploadify.php unrestricted upload
Not yet in CISA KEV
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
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. Es wurde eine Schwachstelle in Weaver E-Office 9.5 ausgemacht. Sie wurde als kritisch eingestuft. Es geht dabei um eine nicht klar definierte Funktion der Datei /inc/jquery/uploadify/uploadify.php. Durch Beeinflussen des Arguments Filedata mit unbekannten Daten kann eine unrestricted upload-Schwachstelle ausgenutzt werden. Der Angriff kann über das Netzwerk passieren. Der Exploit steht zur öffentlichen Verfügung.
- CVE Published
- May 11, 2023
- Exploitation Reported
- Jun 02, 2025
- CVSS
- 6.3 Medium
- EPSS
- 92.3%
Affected Versions
| Vendor | Product | Version | Status |
|---|---|---|---|
| Weaver |
E-Office
|
9.5 |
Affected |
CVE References
- GitHub — sunyixuan1228/cve github.com · Exploit https://github.com/sunyixuan1228/cve/blob/main/weaver.md
- Technical Description — vuldb.com vuldb.com · Technical Description https://vuldb.com/?id.228777
- Signature — vuldb.com vuldb.com · Signature https://vuldb.com/?ctiid.228777
Recommended Actions
- Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
- Check enrichment artifacts for scanner coverage and available PoCs before rolling remediation validation.
- Use the Pro API to automate enrichment, telemetry, and workflow delivery for VM, SOC, and CTI pipelines.
Known Exploited Vulnerability Sources
Catalogues that list this CVE as a known exploited vulnerability.
Per-source evidence links for KEV attestations are available through the KEVIntel Pro API.
Learn about Pro API access| Source | Added |
|---|---|
| The Shadowserver First | 2025-06-05 09:08 UTC |
Scanner Artifacts
Nuclei and Metasploit references linked to this CVE.
| Scanner | Reference | Detected |
|---|---|---|
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-2648.yaml | Apr 25, 2025 |
Virtual Patch
Compensating WAF rules to help reduce exposure to this CVE. Rule content and deployable vendor exports are available with KEVIntel Enterprise.
KEVIntel does not currently have a virtual patch for this CVE. When available, KEVIntel virtual patches ship as deployable ModSecurity, Cloudflare, and AWS WAF rules.
Enterprise feature. Virtual patch rule content and deployable vendor exports (ModSecurity, Cloudflare, AWS WAF) are available to KEVIntel Enterprise users.
CVSS Scores
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
AV:N/AC:L/Au:S/C:P/I:P/A:P
Exploitation Status
Exploited in the wild
Recorded 2025-06-02 00:00:00 UTC · The Shadowserver
Proof of concept available
Recorded 2026-06-12 14:20:38 UTC · Nuclei Templates
Weaknesses (CWE)
-
Unrestricted Upload of File with Dangerous Type
Scanner Integrations
| Scanner | Reference | Detected |
|---|---|---|
| Nuclei | https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-2648.yaml | Apr 25, 2025 |
Potential Proof of Concepts
These PoCs are unverified and could contain malware. Use at your own risk.
nuclei · Created Unknown
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
14:20 UTC about 1 month ago14:20 UTC · about 1 month ago
Public PoC available
Public proof-of-concept code published
-
09:08 UTC about 1 year ago09:08 UTC · about 1 year ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
00:00 UTC about 1 year ago00:00 UTC · about 1 year ago
Nuclei template available
Scanner coverage available
-
08:00 UTC about 3 years ago08:00 UTC · about 3 years ago
CVE published
Vulnerability disclosed publicly
-
05:32 UTC about 3 years ago05:32 UTC · about 3 years ago
CVE ID reserved
Identifier reserved by the CNA
Automate This Intelligence with the Pro API
Confidence scoring, exploit status, sensor telemetry, PoCs, scanner integrations, mentions, and tags are available programmatically for VM, SOC, and CTI workflows.
Pro API Example
GET /api/v2/pro/kevs/CVE-2023-2648
{
"cve_id": "CVE-2023-2648",
"title": "Weaver E-Office uploadify.php unrestricted upload",
"affected_vendor": "Weaver",
"affected_product": "E-Office",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "High",
"cvss_score": 6.3,
"epss_score": 0.92333,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}