CVE-2023-54352

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-06-08. the CNA's CVSS baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cna:vulncheck, epss, ghsa
Trending — 3 sources updated this weekElevated
9.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.8Exploit: NoneExposed: 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(high)
EPSS
45.0%
KEV
Not listed

Published

June 8, 2026

Last Modified

June 8, 2026

Advisory Details (2)

Auto-updated Jun 20, 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 53× in last 7d / 309× 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 309 total refreshes for this CVE.

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

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. 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 45.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2023-54352?
CVE-2023-54352 has a CVSS v4.0 base score of 9.8 (CNA self-assessment; NVD's own analysis pending).
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.

Dependency Blast Radius

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