CVE-2023-26775
High PUBLISHEDFile Upload vulnerability found in Monitorr v.1.7.6 allows a remote attacker t oexecute arbitrary code via a crafted file upload to the...
Recommended Action
Prioritize remediation. Validate affected assets and apply vendor fixes on an accelerated timeline.
At a Glance
File Upload vulnerability found in Monitorr v.1.7.6 allows a remote attacker t oexecute arbitrary code via a crafted file upload to the assets/php/upload.php endpoint.
- CVE Published
- Apr 04, 2023
- Exploitation Reported
- Jun 25, 2025
- CVSS
- 7.8 High
- EPSS
- 49.4%
CVE References
- twitter.com/retrymp3 twitter.com · CVE Record https://twitter.com/retrymp3
- GitHub github.com · CVE Record https://github.com/Monitorr/
- GitHub — Monitorr/Monitorr github.com · CVE Record https://github.com/Monitorr/Monitorr
- GitHub — Monitorr/Monitorr github.com · CVE Record https://github.com/Monitorr/Monitorr/blob/3ebfd915bfb02aae2ded08c5e4b...
- packetstormsecurity.com/files/171705/Monitorr-1.7.6-Cross-Site-Scrip... packetstormsecurity.com · CVE Record http://packetstormsecurity.com/files/171705/Monitorr-1.7.6-Cross-Site...
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 | 2025-06-25 00:00 UTC |
No detection artifacts or sensor request patterns are available for this CVE yet.
Check back as sensor telemetry and scanner integrations are updated.
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:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploitation Status
Exploited in the wild
Recorded 2025-06-25 00:00:00 UTC · The Shadowserver
Weaknesses (CWE)
-
Unrestricted Upload of File with Dangerous Type
Timeline
Key exploitation, disclosure, scanner coverage, and KEV attestation events for this CVE.
-
00:00 UTC about 1 year ago00:00 UTC · about 1 year ago
Added to KEVIntel KEV Feed
High-confidence, third-party attested exploitation
-
00:00 UTC over 3 years ago00:00 UTC · over 3 years ago
CVE published
Vulnerability disclosed publicly
-
00:00 UTC over 3 years ago00:00 UTC · over 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-2023-26775
{
"cve_id": "CVE-2023-26775",
"title": "File Upload vulnerability found in Monitorr v.1.7.6 allows a remote attacker ...",
"affected_vendor": "Monitorr",
"affected_product": "Monitorr",
"affected_versions": [
{ "vendor": "...", "product": "...", "status": "affected", "display_label": "..." }
],
"confidence": "High",
"cvss_score": 7.8,
"epss_score": 0.49367,
"exploit_status": {
"exploited_in_the_wild": true,
"active_exploitation_observed": false
},
"sensor_telemetry": { "...": "Pro API fields" },
"proof_of_concepts": [ "..." ],
"scanner_integrations": [ "..." ]
}