CVE-2023-27753

HIGHNVD 8.08.0—
EchelonGraph scoreMEDIUM confidence

Score 8.0 from GitHub Security Advisory (severity: HIGH) published 2026-05-12. NVD baseline CVSS 8.0; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
8.0EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 8.0Exploit: None knownExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

An arbitrary file upload vulnerability in MK-Auth 23.01K4.9 allows attackers to execute arbitrary code via uploading a crafted PHP file.

CVSS v3
8.0
EG Score
8.0(medium)
EG Risk
36(Track)
EG Risk 36/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity80% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
26%
KEV
Not listed

Published

May 12, 2026

Last Modified

May 13, 2026

Advisory Details (2)

Auto-updated May 13, 2026
No patch confirmed yet.
generic

MKAUTH-RCE/README.md at main · yueslly/MKAUTH-RCE · GitHub

https://github.com/yueslly/MKAUTH-RCE/blob/main/README.md
generic

GitHub - yueslly/MKAUTH-RCE: An Remote Code Execution on MKAUTH · GitHub

https://github.com/yueslly/MKAUTH-RCE

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 5× in last 7d / 30× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 261 total refreshes for this CVE.

  1. 2026-09-13 16:44 UTCEPSS rescore
  2. 2026-09-12 14:58 UTCEPSS rescore
  3. 2026-09-11 14:50 UTCEPSS rescore
  4. 2026-09-11 09:34 UTCEPSS rescore
  5. 2026-09-08 21:57 UTCEPSS rescore
  6. 2026-09-07 15:59 UTCEPSS rescore
  7. 2026-09-06 13:45 UTCEPSS rescore
  8. 2026-09-05 15:25 UTCEPSS rescore
  9. 2026-09-04 13:58 UTCEPSS rescore
  10. 2026-09-04 05:04 UTCEPSS rescore
  11. 2026-09-02 14:09 UTCEPSS rescore
  12. 2026-09-01 13:51 UTCEPSS rescore
  13. 2026-08-30 19:15 UTCEPSS rescore
  14. 2026-08-30 01:19 UTCEPSS rescore
  15. 2026-08-28 21:38 UTCEPSS rescore
  16. 2026-08-27 14:23 UTCEPSS rescore
  17. 2026-08-26 14:43 UTCEPSS rescore
  18. 2026-08-25 13:46 UTCEPSS rescore
  19. 2026-08-24 14:14 UTCEPSS rescore
  20. 2026-08-23 18:25 UTCEG score recompute
  21. 2026-08-23 18:25 UTCGHSA enrichment
  22. 2026-08-23 00:17 UTCEPSS rescore
  23. 2026-08-21 23:46 UTCEPSS rescore
  24. 2026-08-20 22:53 UTCEPSS rescore
  25. 2026-08-19 17:02 UTCEPSS rescore
Show 75 more
  1. 2026-08-18 13:46 UTCEPSS rescore
  2. 2026-08-17 13:44 UTCEPSS rescore
  3. 2026-08-17 10:55 UTCEG score recompute
  4. 2026-08-17 10:55 UTCGHSA enrichment
  5. 2026-08-16 14:53 UTCEPSS rescore
  6. 2026-08-16 04:17 UTCEG score recompute
  7. 2026-08-16 04:17 UTCGHSA enrichment
  8. 2026-08-16 02:12 UTCEPSS rescore
  9. 2026-08-15 01:28 UTCEPSS rescore
  10. 2026-08-15 00:56 UTCGHSA enrichment
  11. 2026-08-14 13:52 UTCGHSA enrichment
  12. 2026-08-14 02:48 UTCEG score recompute
  13. 2026-08-14 02:48 UTCGHSA enrichment
  14. 2026-08-13 21:58 UTCEPSS rescore
  15. 2026-08-13 03:22 UTCGHSA enrichment
  16. 2026-08-12 16:19 UTCEG score recompute
  17. 2026-08-12 16:18 UTCGHSA enrichment
  18. 2026-08-12 13:48 UTCEPSS rescore
  19. 2026-08-11 15:43 UTCEG score recompute
  20. 2026-08-11 15:43 UTCGHSA enrichment
  21. 2026-08-11 13:39 UTCEPSS rescore
  22. 2026-08-11 01:05 UTCEG score recompute
  23. 2026-08-11 01:05 UTCGHSA enrichment
  24. 2026-08-10 11:33 UTCGHSA enrichment
  25. 2026-08-10 00:16 UTCEG score recompute
  26. 2026-08-10 00:16 UTCGHSA enrichment
  27. 2026-08-09 13:44 UTCEPSS rescore
  28. 2026-08-09 13:11 UTCGHSA enrichment
  29. 2026-08-09 02:08 UTCEG score recompute
  30. 2026-08-09 02:08 UTCGHSA enrichment
  31. 2026-08-08 16:34 UTCEPSS rescore
  32. 2026-08-08 06:08 UTCGHSA enrichment
  33. 2026-08-07 19:03 UTCEG score recompute
  34. 2026-08-07 19:03 UTCGHSA enrichment
  35. 2026-08-07 16:24 UTCEPSS rescore
  36. 2026-08-07 07:59 UTCGHSA enrichment
  37. 2026-08-06 19:59 UTCEG score recompute
  38. 2026-08-06 19:59 UTCGHSA enrichment
  39. 2026-08-06 13:44 UTCEPSS rescore
  40. 2026-08-06 08:55 UTCGHSA enrichment
  41. 2026-08-05 21:51 UTCEG score recompute
  42. 2026-08-05 21:51 UTCGHSA enrichment
  43. 2026-08-05 19:15 UTCEPSS rescore
  44. 2026-08-05 19:15 UTCEPSS rescore
  45. 2026-08-04 15:07 UTCEPSS rescore
  46. 2026-08-04 10:35 UTCEPSS rescore
  47. 2026-08-03 19:18 UTCGHSA enrichment
  48. 2026-08-02 21:45 UTCGHSA enrichment
  49. 2026-08-02 10:41 UTCEG score recompute
  50. 2026-08-02 10:41 UTCGHSA enrichment
  51. 2026-08-02 02:25 UTCEPSS rescore
  52. 2026-08-02 02:24 UTCEPSS rescore
  53. 2026-08-01 23:35 UTCEG score recompute
  54. 2026-08-01 23:35 UTCGHSA enrichment
  55. 2026-08-01 04:13 UTCEPSS rescore
  56. 2026-08-01 04:13 UTCEPSS rescore
  57. 2026-07-30 16:26 UTCEPSS rescore
  58. 2026-07-30 16:26 UTCEPSS rescore
  59. 2026-07-30 01:28 UTCEPSS rescore
  60. 2026-07-30 01:28 UTCEPSS rescore
  61. 2026-07-28 15:34 UTCEPSS rescore
  62. 2026-07-28 15:34 UTCEPSS rescore
  63. 2026-07-27 14:10 UTCEPSS rescore
  64. 2026-07-26 14:52 UTCEPSS rescore
  65. 2026-07-26 14:52 UTCEPSS rescore
  66. 2026-07-25 14:16 UTCEPSS rescore
  67. 2026-07-24 14:15 UTCEPSS rescore
  68. 2026-07-23 14:16 UTCEPSS rescore
  69. 2026-07-23 14:16 UTCEPSS rescore
  70. 2026-07-23 02:20 UTCEG score recompute
  71. 2026-07-22 23:08 UTCEG score recompute
  72. 2026-07-22 14:06 UTCEPSS rescore
  73. 2026-07-22 14:06 UTCEPSS rescore
  74. 2026-07-21 15:23 UTCEPSS rescore
  75. 2026-07-20 17:06 UTCEPSS rescore

Frequently asked(5)

What is CVE-2023-27753?
CVE-2023-27753 is a high vulnerability published on May 12, 2026. An arbitrary file upload vulnerability in MK-Auth 23.01K4.9 allows attackers to execute arbitrary code via uploading a crafted PHP file.
When was CVE-2023-27753 disclosed?
CVE-2023-27753 was first published in the National Vulnerability Database on May 12, 2026, with the most recent update on May 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-27753 actively exploited?
CVE-2023-27753 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 73.8% of all scored CVEs.
What is the CVSS score of CVE-2023-27753?
CVE-2023-27753 has a CVSS v3 base score of 8.0 (NVD).
How do I remediate CVE-2023-27753?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-27753, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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