CVE-2026-14921

MEDIUMPre-NVD 6.16.1—
EchelonGraph scoreHIGH 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%CVSS: 6.1Exploit: Elevated riskExposed: 0

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

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
6.1(high)
EG Risk
43(Track)
EG Risk 43/100SSVC: 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
Severity61% × 45%
Exploitation40% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
5%
KEV
Not listed

Published

July 31, 2026

Last Modified

July 31, 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 20× in last 7d / 65× 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. 2026-08-20 22:55 UTCEPSS rescore
  2. 2026-08-20 19:21 UTCGHSA enrichment
  3. 2026-08-19 19:28 UTCEG score recompute
  4. 2026-08-19 19:28 UTCGHSA enrichment
  5. 2026-08-19 17:03 UTCEPSS rescore
  6. 2026-08-18 19:34 UTCEG score recompute
  7. 2026-08-18 19:34 UTCGHSA enrichment
  8. 2026-08-18 13:48 UTCEPSS rescore
  9. 2026-08-17 19:40 UTCEG score recompute
  10. 2026-08-17 19:40 UTCGHSA enrichment
  11. 2026-08-17 13:47 UTCEPSS rescore
  12. 2026-08-16 18:50 UTCEG score recompute
  13. 2026-08-16 18:50 UTCGHSA enrichment
  14. 2026-08-16 14:56 UTCEPSS rescore
  15. 2026-08-16 02:14 UTCEPSS rescore
  16. 2026-08-15 18:51 UTCEG score recompute
  17. 2026-08-15 18:51 UTCGHSA enrichment
  18. 2026-08-15 01:30 UTCEPSS rescore
  19. 2026-08-14 18:57 UTCEG score recompute
  20. 2026-08-14 18:57 UTCGHSA enrichment
  21. 2026-08-13 22:00 UTCEPSS rescore
  22. 2026-08-13 19:01 UTCGHSA enrichment
  23. 2026-08-12 19:08 UTCEG score recompute
  24. 2026-08-12 19:08 UTCGHSA enrichment
  25. 2026-08-12 13:50 UTCEPSS rescore
Show 40 more
  1. 2026-08-11 19:14 UTCEG score recompute
  2. 2026-08-11 19:14 UTCGHSA enrichment
  3. 2026-08-11 13:42 UTCEPSS rescore
  4. 2026-08-10 23:59 UTCEPSS rescore
  5. 2026-08-10 19:21 UTCGHSA enrichment
  6. 2026-08-09 19:27 UTCEG score recompute
  7. 2026-08-09 19:27 UTCGHSA enrichment
  8. 2026-08-09 13:46 UTCEPSS rescore
  9. 2026-08-08 19:34 UTCEG score recompute
  10. 2026-08-08 19:34 UTCGHSA enrichment
  11. 2026-08-08 16:37 UTCEPSS rescore
  12. 2026-08-07 19:40 UTCEG score recompute
  13. 2026-08-07 19:40 UTCGHSA enrichment
  14. 2026-08-06 19:47 UTCEG score recompute
  15. 2026-08-06 19:47 UTCGHSA enrichment
  16. 2026-08-06 13:46 UTCEPSS rescore
  17. 2026-08-05 19:54 UTCEG score recompute
  18. 2026-08-05 19:54 UTCGHSA enrichment
  19. 2026-08-05 19:17 UTCEPSS rescore
  20. 2026-08-04 20:00 UTCEG score recompute
  21. 2026-08-04 20:00 UTCGHSA enrichment
  22. 2026-08-04 15:09 UTCEPSS rescore
  23. 2026-08-04 10:38 UTCEPSS rescore
  24. 2026-08-03 20:06 UTCEG score recompute
  25. 2026-08-03 20:06 UTCGHSA enrichment
  26. 2026-08-03 10:35 UTCEPSS rescore
  27. 2026-08-02 20:11 UTCEG score recompute
  28. 2026-08-02 20:11 UTCGHSA enrichment
  29. 2026-08-02 02:26 UTCEPSS rescore
  30. 2026-08-01 20:17 UTCEG score recompute
  31. 2026-08-01 20:17 UTCGHSA enrichment
  32. 2026-08-01 04:15 UTCEPSS rescore
  33. 2026-07-31 20:23 UTCEG score recompute
  34. 2026-07-31 20:23 UTCGHSA enrichment
  35. 2026-07-31 19:48 UTCEG score recompute▲ 6.10
  36. 2026-07-31 19:48 UTCGHSA enrichment
  37. 2026-07-31 19:48 UTCMITRE cvelistV5CVSS v3 → 6.1 · severity → MEDIUM
  38. 2026-07-31 07:24 UTCNVD update
  39. 2026-07-31 06:30 UTCEG score recompute
  40. 2026-07-31 06:28 UTCMITRE cvelistV5first tracked

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 in the National Vulnerability Database on July 31, 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% probability of exploitation in the next 30 days, which ranks it in the top 95.4% of all 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?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-14921, 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-2026-14921

Explore →

Is Your Infrastructure Affected by CVE-2026-14921?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs