CVE-2026-63281

MEDIUMPre-NVD 4.84.8—
EchelonGraph scoreMEDIUM confidence

Score 4.8 from GitHub Security Advisory published 2026-07-22. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 4.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
4.8EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.8Exploit: None knownExposed: 0

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

Joomla Extension - regularlabs.com - XSS vulnerability in Regular Labs conditions manager - Stored condition values could also execute HTML/JavaScript in administrator summaries.

CVSS v3
4.8
EG Score
4.8(medium)
EG Risk
22(Track)
EG Risk 22/100SSVC: 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
Severity48% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
4%
KEV
Not listed

Published

July 22, 2026

Last Modified

July 27, 2026

Advisory Details (1)

Auto-updated Jul 27, 2026
No patch confirmed yet.
generic

Regular Labs - Extensions for Joomla! - Regular Labs

https://regularlabs.com/

Vendor Advisories for CVE-2026-63281(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 16× 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.

Showing the most recent 100 of 111 total refreshes for this CVE.

  1. 2026-08-30 01:22 UTCEPSS rescore
  2. 2026-08-30 00:52 UTCEG score recompute
  3. 2026-08-30 00:52 UTCGHSA enrichment
  4. 2026-08-28 21:42 UTCEPSS rescore
  5. 2026-08-27 14:25 UTCEPSS rescore
  6. 2026-08-27 14:16 UTCEG score recompute
  7. 2026-08-27 14:15 UTCGHSA enrichment
  8. 2026-08-26 14:46 UTCEPSS rescore
  9. 2026-08-26 14:22 UTCGHSA enrichment
  10. 2026-08-25 14:28 UTCEG score recompute
  11. 2026-08-25 14:28 UTCGHSA enrichment
  12. 2026-08-25 13:49 UTCEPSS rescore
  13. 2026-08-24 14:09 UTCEG score recompute
  14. 2026-08-24 14:09 UTCGHSA enrichment
  15. 2026-08-23 14:16 UTCEG score recompute
  16. 2026-08-23 14:16 UTCGHSA enrichment
  17. 2026-08-23 00:19 UTCEPSS rescore
  18. 2026-08-22 14:24 UTCEG score recompute
  19. 2026-08-22 14:24 UTCGHSA enrichment
  20. 2026-08-21 23:49 UTCEPSS rescore
  21. 2026-08-21 14:26 UTCEG score recompute
  22. 2026-08-21 14:26 UTCGHSA enrichment
  23. 2026-08-20 22:55 UTCEPSS rescore
  24. 2026-08-20 14:30 UTCEG score recompute
  25. 2026-08-20 14:30 UTCGHSA enrichment
Show 75 more
  1. 2026-08-19 17:04 UTCEPSS rescore
  2. 2026-08-19 13:04 UTCEG score recompute
  3. 2026-08-19 13:04 UTCGHSA enrichment
  4. 2026-08-18 13:48 UTCEPSS rescore
  5. 2026-08-18 13:10 UTCEG score recompute
  6. 2026-08-18 13:09 UTCGHSA enrichment
  7. 2026-08-17 13:47 UTCEPSS rescore
  8. 2026-08-17 12:50 UTCEG score recompute
  9. 2026-08-17 12:50 UTCGHSA enrichment
  10. 2026-08-16 14:56 UTCEPSS rescore
  11. 2026-08-16 12:58 UTCEG score recompute
  12. 2026-08-16 12:58 UTCGHSA enrichment
  13. 2026-08-15 13:06 UTCEG score recompute
  14. 2026-08-15 13:06 UTCGHSA enrichment
  15. 2026-08-15 01:30 UTCEPSS rescore
  16. 2026-08-14 13:13 UTCEG score recompute
  17. 2026-08-14 13:13 UTCGHSA enrichment
  18. 2026-08-13 22:00 UTCEPSS rescore
  19. 2026-08-13 13:21 UTCEG score recompute
  20. 2026-08-13 13:21 UTCGHSA enrichment
  21. 2026-08-12 13:51 UTCEPSS rescore
  22. 2026-08-12 13:29 UTCEG score recompute
  23. 2026-08-12 13:29 UTCGHSA enrichment
  24. 2026-08-11 13:37 UTCEG score recompute
  25. 2026-08-11 13:37 UTCGHSA enrichment
  26. 2026-08-11 00:00 UTCEPSS rescore
  27. 2026-08-10 13:45 UTCGHSA enrichment
  28. 2026-08-09 13:52 UTCEG score recompute
  29. 2026-08-09 13:52 UTCGHSA enrichment
  30. 2026-08-09 13:47 UTCEPSS rescore
  31. 2026-08-08 16:37 UTCEPSS rescore
  32. 2026-08-08 14:01 UTCEG score recompute
  33. 2026-08-08 14:01 UTCGHSA enrichment
  34. 2026-08-07 14:09 UTCGHSA enrichment
  35. 2026-08-06 14:17 UTCEG score recompute
  36. 2026-08-06 14:17 UTCGHSA enrichment
  37. 2026-08-06 13:47 UTCEPSS rescore
  38. 2026-08-05 19:17 UTCEPSS rescore
  39. 2026-08-05 19:17 UTCEPSS rescore
  40. 2026-08-05 14:25 UTCEG score recompute
  41. 2026-08-05 14:25 UTCGHSA enrichment
  42. 2026-08-04 15:10 UTCEPSS rescore
  43. 2026-08-04 14:04 UTCEG score recompute
  44. 2026-08-04 14:04 UTCGHSA enrichment
  45. 2026-08-04 10:39 UTCEPSS rescore
  46. 2026-08-03 14:12 UTCEG score recompute
  47. 2026-08-03 14:12 UTCGHSA enrichment
  48. 2026-08-03 10:36 UTCEPSS rescore
  49. 2026-08-02 14:18 UTCEG score recompute
  50. 2026-08-02 14:18 UTCGHSA enrichment
  51. 2026-08-02 02:27 UTCEPSS rescore
  52. 2026-08-01 14:26 UTCEG score recompute
  53. 2026-08-01 14:26 UTCGHSA enrichment
  54. 2026-08-01 04:16 UTCEPSS rescore
  55. 2026-07-31 14:34 UTCEG score recompute
  56. 2026-07-31 14:34 UTCGHSA enrichment
  57. 2026-07-30 16:28 UTCEPSS rescore
  58. 2026-07-30 14:41 UTCEG score recompute
  59. 2026-07-30 14:41 UTCGHSA enrichment
  60. 2026-07-30 01:30 UTCEPSS rescore
  61. 2026-07-30 01:30 UTCEPSS rescore
  62. 2026-07-29 14:36 UTCEG score recompute
  63. 2026-07-29 14:36 UTCGHSA enrichment
  64. 2026-07-28 15:37 UTCEPSS rescore
  65. 2026-07-28 14:44 UTCEG score recompute
  66. 2026-07-28 14:44 UTCGHSA enrichment
  67. 2026-07-27 14:46 UTCEG score recompute▲ 4.80
  68. 2026-07-27 14:46 UTCGHSA enrichment
  69. 2026-07-27 14:14 UTCEPSS rescore
  70. 2026-07-27 13:35 UTCMITRE cvelistV5CVSS v3 → 4.8 · severity → MEDIUM
  71. 2026-07-26 03:23 UTCEG score recompute
  72. 2026-07-26 03:22 UTCGHSA enrichment
  73. 2026-07-25 14:18 UTCEPSS rescore
  74. 2026-07-25 14:18 UTCEPSS rescore
  75. 2026-07-24 14:18 UTCEPSS rescore

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-63281?
CVE-2026-63281 is a medium vulnerability published on July 22, 2026. Joomla Extension - regularlabs.com - XSS vulnerability in Regular Labs conditions manager - Stored condition values could also execute HTML/JavaScript in administrator summaries.
When was CVE-2026-63281 disclosed?
CVE-2026-63281 was first published in the National Vulnerability Database on July 22, 2026, with the most recent update on July 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-63281 actively exploited?
CVE-2026-63281 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 96.2% of all scored CVEs.
What is the CVSS score of CVE-2026-63281?
CVE-2026-63281 has a CVSS v3.1 base score of 4.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-63281?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-63281, 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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