CVE-2026-14921

MEDIUMPre-NVD 6.16.1—
EchelonGraph scoreMEDIUM confidence

Score 6.1 from GitHub Security Advisory published 2026-07-31. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 6.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this weekElevated
6.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.3%CVSS: 6.1Exploit: Elevated riskExposed services: Not assessed

A fix is available — apply it.

The Ultimate Addons for WPBakery Page Builder WordPress plugin before 3.21.5's shared link-rendering function, Ultimate_VC_Addons::uavc_link_init(),

CVSS v3
6.1
EG Score
6.1MEDIUMmedium confidence
EG Risk
43
EG Risk 43/100CISA SSVC

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
Severity61% × 45%
Exploitation40% × 40%
Automatability0% × 15%
CISA SSVC: Track at low or medium mission impact; Track* at high (mission-essential systems).
Action: A fix is available. Apply it within your standard update timelines.
EPSS PROB
0.3%
EPSS %ILE
15th
KEV
Not listed

CISA SSVCTrack at low or medium mission impact; Track* at high (mission-essential systems).

A fix is available. Apply it within your standard update timelines.

Exploitation public PoC (CISA Vulnrichment) · Automatable no (CISA Vulnrichment) · Technical impact partial (CISA Vulnrichment). Mission impact is CISA's Mission & Well-being decision point, and only you can judge it: high means the affected system is essential to your organisation's mission, or its compromise could cause irreversible harm to people. CISA's decision table

Published

July 31, 2026

Last Modified

August 26, 2026

Advisory Details (1)

Auto-updated Jul 31, 2026
🔬 Proof of concept available. Patch available.
generic Patch Available🟡 PoC Available

Ultimate Addons for WPBakery Page Builder < 3.21.5 – Contributor+ Stored XSS via ult_buttons Shortcode | CVE 2026-14921 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/4bebd9ff-87b6-45ca-9b3e-9e6048693ca6/

Vendor Advisories for CVE-2026-14921(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 / 62× 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 165 total refreshes for this CVE.

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

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-14921?
CVE-2026-14921 is a medium vulnerability published on July 31, 2026. The Ultimate Addons for WPBakery Page Builder WordPress plugin before 3.21.5's shared link-rendering function, UltimateVCAddons::uavclinkinit(),
When was CVE-2026-14921 disclosed?
CVE-2026-14921 was first published on July 31, 2026, with the most recent update on August 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-14921 actively exploited?
CVE-2026-14921 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.3% probability of exploitation in the next 30 days (15th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-14921?
CVE-2026-14921 has a CVSS v3.1 base score of 6.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-14921?
A fix for CVE-2026-14921 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-14921 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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