CVE-2026-15255

MEDIUMPre-NVD 5.35.3—
EchelonGraph scoreHIGH confidence

Score 5.3 from GitHub Security Advisory published 2026-07-30. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 5.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
5.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 5.3Exploit: None knownExposed: 0

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

The RegistrationMagic WordPress plugin before 6.0.9.4 does not properly validate that a one-time password presented in a cookie belongs to the identity being requested before returning front-end form submissions, allowing unauthenticated attackers to read other users' form submission data, including personal information.

CVSS v3
5.3
EG Score
5.3(high)
EG Risk
39(Track)
EG Risk 39/100SSVC: 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
Severity53% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
10%
KEV
Not listed

Published

July 30, 2026

Last Modified

July 30, 2026

Advisory Details (1)

Auto-updated Jul 30, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

RegistrationMagic < 6.0.9.4 – Unauthenticated Form Submission Disclosure via IDOR | CVE 2026-15255 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/21fa84b9-afa6-49f7-abb1-c1edabda3cd8/

Vendor Advisories for CVE-2026-15255(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 14× in last 7d / 81× 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. 2026-08-26 14:46 UTCEPSS rescore
  2. 2026-08-26 04:28 UTCGHSA enrichment
  3. 2026-08-25 03:03 UTCEG score recompute
  4. 2026-08-25 03:03 UTCGHSA enrichment
  5. 2026-08-24 01:36 UTCEG score recompute
  6. 2026-08-24 01:36 UTCGHSA enrichment
  7. 2026-08-23 00:19 UTCEPSS rescore
  8. 2026-08-23 00:11 UTCEG score recompute
  9. 2026-08-23 00:11 UTCGHSA enrichment
  10. 2026-08-21 23:49 UTCEPSS rescore
  11. 2026-08-21 22:46 UTCEG score recompute
  12. 2026-08-21 22:46 UTCGHSA enrichment
  13. 2026-08-20 22:55 UTCEPSS rescore
  14. 2026-08-20 21:21 UTCGHSA enrichment
  15. 2026-08-19 19:55 UTCEG score recompute
  16. 2026-08-19 19:55 UTCGHSA enrichment
  17. 2026-08-19 17:03 UTCEPSS rescore
  18. 2026-08-18 18:28 UTCEG score recompute
  19. 2026-08-18 18:28 UTCGHSA enrichment
  20. 2026-08-18 13:48 UTCEPSS rescore
  21. 2026-08-17 16:40 UTCEG score recompute
  22. 2026-08-17 16:40 UTCGHSA enrichment
  23. 2026-08-17 13:47 UTCEPSS rescore
  24. 2026-08-16 15:15 UTCEG score recompute
  25. 2026-08-16 15:15 UTCGHSA enrichment
Show 56 more
  1. 2026-08-16 14:56 UTCEPSS rescore
  2. 2026-08-16 02:14 UTCEPSS rescore
  3. 2026-08-15 13:50 UTCEG score recompute
  4. 2026-08-15 13:50 UTCGHSA enrichment
  5. 2026-08-15 01:30 UTCEPSS rescore
  6. 2026-08-14 12:24 UTCEG score recompute
  7. 2026-08-14 12:24 UTCGHSA enrichment
  8. 2026-08-13 22:00 UTCEPSS rescore
  9. 2026-08-13 10:59 UTCEG score recompute
  10. 2026-08-13 10:59 UTCGHSA enrichment
  11. 2026-08-12 13:50 UTCEPSS rescore
  12. 2026-08-12 09:34 UTCEG score recompute
  13. 2026-08-12 09:34 UTCGHSA enrichment
  14. 2026-08-11 13:42 UTCEPSS rescore
  15. 2026-08-11 08:09 UTCEG score recompute
  16. 2026-08-11 08:08 UTCGHSA enrichment
  17. 2026-08-11 00:00 UTCEPSS rescore
  18. 2026-08-10 06:43 UTCEG score recompute
  19. 2026-08-10 06:43 UTCGHSA enrichment
  20. 2026-08-09 13:46 UTCEPSS rescore
  21. 2026-08-09 05:18 UTCGHSA enrichment
  22. 2026-08-08 03:53 UTCEG score recompute
  23. 2026-08-08 03:53 UTCGHSA enrichment
  24. 2026-08-07 02:28 UTCEG score recompute
  25. 2026-08-07 02:28 UTCGHSA enrichment
  26. 2026-08-06 13:46 UTCEPSS rescore
  27. 2026-08-06 01:03 UTCEG score recompute
  28. 2026-08-06 01:03 UTCGHSA enrichment
  29. 2026-08-05 19:17 UTCEPSS rescore
  30. 2026-08-04 23:38 UTCEG score recompute
  31. 2026-08-04 23:38 UTCGHSA enrichment
  32. 2026-08-04 15:10 UTCEPSS rescore
  33. 2026-08-04 10:38 UTCEPSS rescore
  34. 2026-08-03 22:13 UTCEG score recompute
  35. 2026-08-03 22:13 UTCGHSA enrichment
  36. 2026-08-03 10:35 UTCEPSS rescore
  37. 2026-08-02 20:48 UTCEG score recompute
  38. 2026-08-02 20:48 UTCGHSA enrichment
  39. 2026-08-02 02:26 UTCEPSS rescore
  40. 2026-08-01 19:23 UTCEG score recompute
  41. 2026-08-01 19:23 UTCGHSA enrichment
  42. 2026-08-01 04:15 UTCEPSS rescore
  43. 2026-07-31 17:57 UTCEG score recompute
  44. 2026-07-31 17:57 UTCGHSA enrichment
  45. 2026-07-30 16:29 UTCEG score recompute
  46. 2026-07-30 16:29 UTCGHSA enrichment
  47. 2026-07-30 16:27 UTCEPSS rescore
  48. 2026-07-30 15:39 UTCEG score recompute▲ 5.30
  49. 2026-07-30 15:39 UTCGHSA enrichment
  50. 2026-07-30 15:36 UTCMITRE cvelistV5CVSS v3 → 5.3 · severity → MEDIUM
  51. 2026-07-30 14:32 UTCEG score recompute
  52. 2026-07-30 14:32 UTCGHSA enrichment
  53. 2026-07-30 06:38 UTCGHSA enrichment
  54. 2026-07-30 06:33 UTCNVD update
  55. 2026-07-30 06:19 UTCEG score recompute
  56. 2026-07-30 06:18 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-15255?
CVE-2026-15255 is a medium vulnerability published on July 30, 2026. The RegistrationMagic WordPress plugin before 6.0.9.4 does not properly validate that a one-time password presented in a cookie belongs to the identity being requested before returning front-end form submissions, allowing unauthenticated attackers to read other users' form submission data,…
When was CVE-2026-15255 disclosed?
CVE-2026-15255 was first published in the National Vulnerability Database on July 30, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-15255 actively exploited?
CVE-2026-15255 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 90.0% of all scored CVEs.
What is the CVSS score of CVE-2026-15255?
CVE-2026-15255 has a CVSS v3.1 base score of 5.3 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-15255?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-15255, 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

Explore the affected products and dependency analysis for CVE-2026-15255

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