CVE-2026-77000

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreHIGH confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-08-22. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 9.8Exploit: None knownExposed: 0

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

The WP Social Media Login WordPress plugin through 1.0.6 does not verify that a social login was actually completed with the identity provider before authenticating a visitor, allowing unauthenticated attackers to log in as any existing user, including administrators, by supplying that user's email address.

CVSS v3
9.8
EG Score
9.8(high)
EG Risk
59(Track)
EG Risk 59/100SSVC: 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
Severity98% × 45%
Exploitation0% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
0%
EPSS %ILE
27%
KEV
Not listed

Published

August 22, 2026

Last Modified

August 26, 2026

Advisory Details (1)

Auto-updated Aug 26, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

WP Social Media Login <= 1.0.6 – Unauthenticated Account Takeover via Twitter Login Flow | CVE 2026-77000 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/3051dece-7ecb-4911-bf13-291ebdc34bff/

Vendor Advisories for CVE-2026-77000(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 56× in last 7d / 60× 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. 2026-08-30 05:44 UTCGHSA enrichment
  2. 2026-08-30 01:41 UTCEG score recompute
  3. 2026-08-30 01:41 UTCGHSA enrichment
  4. 2026-08-30 01:22 UTCEPSS rescore
  5. 2026-08-29 21:39 UTCGHSA enrichment
  6. 2026-08-29 17:36 UTCGHSA enrichment
  7. 2026-08-29 13:26 UTCGHSA enrichment
  8. 2026-08-29 09:16 UTCGHSA enrichment
  9. 2026-08-29 05:14 UTCGHSA enrichment
  10. 2026-08-29 01:01 UTCEG score recompute
  11. 2026-08-29 01:01 UTCGHSA enrichment
  12. 2026-08-28 21:42 UTCEPSS rescore
  13. 2026-08-28 18:52 UTCGHSA enrichment
  14. 2026-08-28 14:38 UTCGHSA enrichment
  15. 2026-08-28 10:30 UTCGHSA enrichment
  16. 2026-08-28 06:25 UTCGHSA enrichment
  17. 2026-08-28 02:23 UTCGHSA enrichment
  18. 2026-08-27 22:20 UTCGHSA enrichment
  19. 2026-08-27 18:18 UTCEG score recompute
  20. 2026-08-27 18:18 UTCGHSA enrichment
  21. 2026-08-27 14:25 UTCEPSS rescore
  22. 2026-08-27 13:04 UTCGHSA enrichment
  23. 2026-08-27 08:56 UTCGHSA enrichment
  24. 2026-08-27 04:53 UTCGHSA enrichment
  25. 2026-08-27 00:50 UTCGHSA enrichment
Show 35 more
  1. 2026-08-26 20:47 UTCGHSA enrichment
  2. 2026-08-26 16:46 UTCEG score recompute
  3. 2026-08-26 16:45 UTCGHSA enrichment
  4. 2026-08-26 14:47 UTCEPSS rescore
  5. 2026-08-26 13:27 UTCGHSA enrichment
  6. 2026-08-26 09:25 UTCGHSA enrichment
  7. 2026-08-26 05:19 UTCGHSA enrichment
  8. 2026-08-26 01:15 UTCGHSA enrichment
  9. 2026-08-25 21:13 UTCGHSA enrichment
  10. 2026-08-25 17:11 UTCEG score recompute
  11. 2026-08-25 17:11 UTCGHSA enrichment
  12. 2026-08-25 13:49 UTCEPSS rescore
  13. 2026-08-25 13:07 UTCGHSA enrichment
  14. 2026-08-25 09:04 UTCGHSA enrichment
  15. 2026-08-25 05:02 UTCGHSA enrichment
  16. 2026-08-25 01:00 UTCGHSA enrichment
  17. 2026-08-24 20:57 UTCGHSA enrichment
  18. 2026-08-24 16:56 UTCEG score recompute
  19. 2026-08-24 16:55 UTCGHSA enrichment
  20. 2026-08-24 14:18 UTCEPSS rescore
  21. 2026-08-24 12:36 UTCEG score recompute
  22. 2026-08-24 12:36 UTCGHSA enrichment
  23. 2026-08-24 08:33 UTCGHSA enrichment
  24. 2026-08-24 04:30 UTCGHSA enrichment
  25. 2026-08-24 00:28 UTCGHSA enrichment
  26. 2026-08-23 20:25 UTCEG score recompute
  27. 2026-08-23 20:25 UTCGHSA enrichment
  28. 2026-08-23 16:23 UTCGHSA enrichment
  29. 2026-08-23 15:46 UTCEG score recompute▲ 9.80
  30. 2026-08-23 15:46 UTCGHSA enrichment
  31. 2026-08-23 15:45 UTCMITRE cvelistV5CVSS v3 → 9.8 · severity → CRITICAL
  32. 2026-08-23 00:19 UTCEPSS rescore
  33. 2026-08-22 06:25 UTCNVD update
  34. 2026-08-22 06:12 UTCEG score recompute
  35. 2026-08-22 06:10 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-77000?
CVE-2026-77000 is a critical vulnerability published on August 22, 2026. The WP Social Media Login WordPress plugin through 1.0.6 does not verify that a social login was actually completed with the identity provider before authenticating a visitor, allowing unauthenticated attackers to log in as any existing user, including administrators, by supplying that user's email…
When was CVE-2026-77000 disclosed?
CVE-2026-77000 was first published in the National Vulnerability Database on August 22, 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-2026-77000 actively exploited?
CVE-2026-77000 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 73.2% of all scored CVEs.
What is the CVSS score of CVE-2026-77000?
CVE-2026-77000 has a CVSS v3.1 base score of 9.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-77000?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-77000, 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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