CVE-2023-54352

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-08. a secondary CVSS source baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 9.8Exploit: Elevated riskExposed: 0

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

WordPress Seotheme contains a remote code execution vulnerability that allows unauthenticated attackers to execute arbitrary PHP code by uploading malicious files to the theme directory. Attackers can access the uploaded PHP shell at /wp-content/themes/seotheme/mar.php to execute system commands and upload additional files for persistent access.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
75(Attend)
EG Risk 75/100SSVC: 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
Severity98% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
1%
EPSS %ILE
48%
KEV
Not listed

Published

June 8, 2026

Last Modified

July 23, 2026

Advisory Details (2)

Auto-updated Sep 19, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic

WordPress Seotheme Remote Code Execution Unauthenticated | Advisories | VulnCheck

https://www.vulncheck.com/advisories/wordpress-seotheme-remote-code-execution-unauthenticated
generic🟡 PoC Available

Wordpress Seotheme - Remote Code Execution Unauthenticated - PHP webapps Exploit

https://www.exploit-db.com/exploits/51789

Vendor Advisories for CVE-2023-54352(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 41× 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 414 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2023-54352?
CVE-2023-54352 is a critical vulnerability published on June 8, 2026. WordPress Seotheme contains a remote code execution vulnerability that allows unauthenticated attackers to execute arbitrary PHP code by uploading malicious files to the theme directory. Attackers can access the uploaded PHP shell at /wp-content/themes/seotheme/mar.php to execute system commands…
When was CVE-2023-54352 disclosed?
CVE-2023-54352 was first published in the National Vulnerability Database on June 8, 2026, with the most recent update on July 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2023-54352 actively exploited?
CVE-2023-54352 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 52.0% of all scored CVEs.
What is the CVSS score of CVE-2023-54352?
CVE-2023-54352 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2023-54352?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-54352, 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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