CVE-2023-53952

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

Score 8.8 from GitHub Security Advisory (severity: HIGH) published 2025-12-19. NVD baseline CVSS 8.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — 3 sources updated this weekElevated
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 8.8Exploit: NoneExposed: 0

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

Dotclear 2.25.3 contains a remote code execution vulnerability that allows authenticated attackers to upload malicious PHP files with .phar extension through the blog post creation interface. Attackers can upload files containing PHP system commands that execute when the uploaded file is accessed, enabling arbitrary code execution on the server.

CVSS v3
8.8
EG Score
8.8(medium)
EG Risk
71(Attend)
EG Risk 71/100SSVC: Attend

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
Severity88% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS
58.8%
KEV
Not listed

Published

December 19, 2025

Last Modified

December 24, 2025

References (3)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 14× in last 7d / 45× 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.

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

Frequently asked(5)

What is CVE-2023-53952?
CVE-2023-53952 is a high vulnerability published on December 19, 2025. Dotclear 2.25.3 contains a remote code execution vulnerability that allows authenticated attackers to upload malicious PHP files with .phar extension through the blog post creation interface. Attackers can upload files containing PHP system commands that execute when the uploaded file is accessed,…
When was CVE-2023-53952 disclosed?
CVE-2023-53952 was first published in the National Vulnerability Database on December 19, 2025, with the most recent update on December 24, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-53952 actively exploited?
CVE-2023-53952 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 58.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-53952?
CVE-2023-53952 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2023-53952?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-53952, 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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