CVE-2026-77116

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory published 2026-08-23. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 4.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 3 sources updated this week
4.3EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 4.3Exploit: None knownExposed: 0

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

Brave Popup Builder (slug: brave-popup-builder) has a broken access control issue in versions through 0.8.5. Any logged-in user - Subscriber or WooCommerce Customer is enough — can read popup content they shouldn't have access to by passing a post ID in the URL.

CVSS v3
4.3
EG Score
4.3(high)
EG Risk
19(Track)
EG Risk 19/100SSVC: 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
Severity43% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
6%
KEV
Not listed

Published

August 23, 2026

Last Modified

August 26, 2026

Advisory Details (1)

Auto-updated Aug 23, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Brave Popup Builder < 0.8.6 – Subscriber+ Unpublished Popup Disclosure via Preview | CVE 2026-77116 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/db0a775c-cbac-4918-8b10-75f4fb2d716a/

Vendor Advisories for CVE-2026-77116(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 18× 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. 2026-09-21 05:40 UTCEG score recompute
  2. 2026-09-21 05:40 UTCGHSA enrichment
  3. 2026-09-20 20:16 UTCEPSS rescore
  4. 2026-09-20 04:58 UTCEG score recompute
  5. 2026-09-20 04:58 UTCGHSA enrichment
  6. 2026-09-19 04:39 UTCEG score recompute
  7. 2026-09-19 04:38 UTCGHSA enrichment
  8. 2026-09-18 19:28 UTCEPSS rescore
  9. 2026-09-18 04:21 UTCEG score recompute
  10. 2026-09-18 04:21 UTCGHSA enrichment
  11. 2026-09-17 04:03 UTCEG score recompute
  12. 2026-09-17 04:03 UTCGHSA enrichment
  13. 2026-09-16 14:08 UTCEPSS rescore
  14. 2026-09-16 05:15 UTCEPSS rescore
  15. 2026-09-16 03:45 UTCGHSA enrichment
  16. 2026-09-15 03:27 UTCEG score recompute
  17. 2026-09-15 03:27 UTCGHSA enrichment
  18. 2026-09-15 03:12 UTCEPSS rescore
  19. 2026-09-14 03:09 UTCEG score recompute
  20. 2026-09-14 03:09 UTCGHSA enrichment
  21. 2026-09-13 02:52 UTCEG score recompute
  22. 2026-09-13 02:52 UTCGHSA enrichment
  23. 2026-09-12 15:02 UTCEPSS rescore
  24. 2026-09-12 02:33 UTCEG score recompute
  25. 2026-09-12 02:33 UTCGHSA enrichment
Show 56 more
  1. 2026-09-11 14:53 UTCEPSS rescore
  2. 2026-09-11 02:13 UTCEG score recompute
  3. 2026-09-11 02:13 UTCGHSA enrichment
  4. 2026-09-10 09:35 UTCEPSS rescore
  5. 2026-09-10 01:55 UTCGHSA enrichment
  6. 2026-09-09 01:37 UTCEG score recompute
  7. 2026-09-09 01:37 UTCGHSA enrichment
  8. 2026-09-08 22:01 UTCEPSS rescore
  9. 2026-09-07 22:28 UTCEG score recompute
  10. 2026-09-07 22:28 UTCGHSA enrichment
  11. 2026-09-06 22:10 UTCEG score recompute
  12. 2026-09-06 22:10 UTCGHSA enrichment
  13. 2026-09-06 13:48 UTCEPSS rescore
  14. 2026-09-05 21:49 UTCEG score recompute
  15. 2026-09-05 21:49 UTCGHSA enrichment
  16. 2026-09-04 21:30 UTCEG score recompute
  17. 2026-09-04 21:30 UTCGHSA enrichment
  18. 2026-09-04 05:07 UTCEPSS rescore
  19. 2026-09-03 21:10 UTCGHSA enrichment
  20. 2026-09-02 20:52 UTCEG score recompute
  21. 2026-09-02 20:51 UTCGHSA enrichment
  22. 2026-09-02 14:12 UTCEPSS rescore
  23. 2026-09-01 20:11 UTCEG score recompute
  24. 2026-09-01 20:11 UTCGHSA enrichment
  25. 2026-09-01 13:54 UTCEPSS rescore
  26. 2026-09-01 04:40 UTCEPSS rescore
  27. 2026-09-01 04:40 UTCEPSS rescore
  28. 2026-08-31 19:53 UTCGHSA enrichment
  29. 2026-08-30 19:35 UTCEG score recompute
  30. 2026-08-30 19:35 UTCGHSA enrichment
  31. 2026-08-30 19:18 UTCEPSS rescore
  32. 2026-08-30 19:17 UTCEPSS rescore
  33. 2026-08-30 01:22 UTCEPSS rescore
  34. 2026-08-29 19:17 UTCEG score recompute
  35. 2026-08-29 19:17 UTCGHSA enrichment
  36. 2026-08-28 21:42 UTCEPSS rescore
  37. 2026-08-28 18:51 UTCGHSA enrichment
  38. 2026-08-27 18:16 UTCEG score recompute
  39. 2026-08-27 18:16 UTCGHSA enrichment
  40. 2026-08-27 14:25 UTCEPSS rescore
  41. 2026-08-26 16:45 UTCEG score recompute
  42. 2026-08-26 16:45 UTCGHSA enrichment
  43. 2026-08-26 14:47 UTCEPSS rescore
  44. 2026-08-25 17:13 UTCEG score recompute
  45. 2026-08-25 17:13 UTCGHSA enrichment
  46. 2026-08-25 13:49 UTCEPSS rescore
  47. 2026-08-24 16:55 UTCEG score recompute
  48. 2026-08-24 16:55 UTCGHSA enrichment
  49. 2026-08-24 14:18 UTCEPSS rescore
  50. 2026-08-23 16:23 UTCGHSA enrichment
  51. 2026-08-23 15:36 UTCEG score recompute▲ 4.30
  52. 2026-08-23 15:36 UTCGHSA enrichment
  53. 2026-08-23 15:35 UTCMITRE cvelistV5CVSS v3 → 4.3 · severity → MEDIUM
  54. 2026-08-23 06:21 UTCNVD update
  55. 2026-08-23 06:15 UTCEG score recompute
  56. 2026-08-23 06:13 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-77116?
CVE-2026-77116 is a medium vulnerability published on August 23, 2026. Brave Popup Builder (slug: brave-popup-builder) has a broken access control issue in versions through 0.8.5. Any logged-in user - Subscriber or WooCommerce Customer is enough — can read popup content they shouldn't have access to by passing a post ID in the URL.
When was CVE-2026-77116 disclosed?
CVE-2026-77116 was first published in the National Vulnerability Database on August 23, 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-2026-77116 actively exploited?
CVE-2026-77116 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 93.8% of all scored CVEs.
What is the CVSS score of CVE-2026-77116?
CVE-2026-77116 has a CVSS v3.1 base score of 4.3 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-77116?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-77116, 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-2026-77116

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