CVE-2026-57744

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-13. 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 week
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: None knownExposed: 0

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

Deserialization of Untrusted Data vulnerability in stmcan RT-Theme 18 | Extensions rt18-extensions allows Object Injection.This issue affects RT-Theme 18 | Extensions: from n/a through <= 2.5.

CVSS v3
9.8
EG Score
9.8(medium)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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
Severity98% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
44%
KEV
Not listed

Published

July 13, 2026

Last Modified

July 13, 2026

Advisory Details (1)

Auto-updated Aug 29, 2026
Patch available.
generic Patch Available

PHP Object Injection in WordPress RT-Theme 18 | Extensions Plugin - Patchstack

https://patchstack.com/database/Wordpress/Plugin/rt18-extensions/vulnerability/wordpress-rt-theme-18-extensions-plugin-2-5-php-object-injection-vulnerability?_s_id=cve

Vendor Advisories for CVE-2026-57744(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 33× in last 7d / 208× 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 295 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2026-57744?
CVE-2026-57744 is a critical vulnerability published on July 13, 2026. Deserialization of Untrusted Data vulnerability in stmcan RT-Theme 18 | Extensions rt18-extensions allows Object Injection.This issue affects RT-Theme 18 | Extensions: from n/a through <= 2.5.
When was CVE-2026-57744 disclosed?
CVE-2026-57744 was first published in the National Vulnerability Database on July 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-57744 actively exploited?
CVE-2026-57744 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 55.7% of all scored CVEs.
What is the CVSS score of CVE-2026-57744?
CVE-2026-57744 has a CVSS v3 base score of 9.8 (NVD).
How do I remediate CVE-2026-57744?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-57744, 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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