CVE-2026-16965

MEDIUMPre-NVD 4.34.3—
EchelonGraph scoreHIGH confidence

Score 4.3 from GitHub Security Advisory published 2026-08-09. 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.

The Solace Extra WordPress plugin before 1.6.1 does not perform capability or nonce checks in one of its AJAX actions, allowing any authenticated user such as a subscriber (and, via CSRF, any logged-in user) to update post meta on arbitrary posts and to deactivate the site's active templates.

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
1%
KEV
Not listed

Published

August 9, 2026

Last Modified

August 11, 2026

Advisory Details (1)

Auto-updated Aug 11, 2026
🔬 Proof of concept available. No patch confirmed yet.
generic🟡 PoC Available

Solace Extra < 1.6.1 – Subscriber+ Post Meta Update via solace_update_sitebuilder_status | CVE 2026-16965 | Plugin Vulnerabilities

https://wpscan.com/vulnerability/514f4577-1f7e-4d50-90d5-36bc504a260c/

Vendor Advisories for CVE-2026-16965(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 19× in last 7d / 33× 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. 2026-08-21 06:20 UTCEG score recompute
  2. 2026-08-21 06:20 UTCGHSA enrichment
  3. 2026-08-20 22:55 UTCEPSS rescore
  4. 2026-08-20 07:45 UTCEG score recompute
  5. 2026-08-20 07:45 UTCGHSA enrichment
  6. 2026-08-19 17:03 UTCEPSS rescore
  7. 2026-08-19 09:10 UTCGHSA enrichment
  8. 2026-08-18 10:35 UTCEG score recompute
  9. 2026-08-18 10:35 UTCGHSA enrichment
  10. 2026-08-17 13:47 UTCEPSS rescore
  11. 2026-08-17 11:58 UTCGHSA enrichment
  12. 2026-08-16 13:24 UTCEG score recompute
  13. 2026-08-16 13:24 UTCGHSA enrichment
  14. 2026-08-16 02:14 UTCEPSS rescore
  15. 2026-08-15 14:49 UTCEG score recompute
  16. 2026-08-15 14:49 UTCGHSA enrichment
  17. 2026-08-15 01:30 UTCEPSS rescore
  18. 2026-08-14 16:14 UTCEG score recompute
  19. 2026-08-14 16:14 UTCGHSA enrichment
  20. 2026-08-13 22:00 UTCEPSS rescore
  21. 2026-08-13 17:39 UTCGHSA enrichment
  22. 2026-08-12 18:55 UTCEG score recompute
  23. 2026-08-12 18:55 UTCGHSA enrichment
  24. 2026-08-12 13:50 UTCEPSS rescore
  25. 2026-08-11 20:20 UTCGHSA enrichment
Show 8 more
  1. 2026-08-11 19:51 UTCEG score recompute▲ 4.30
  2. 2026-08-11 19:51 UTCGHSA enrichment
  3. 2026-08-11 19:50 UTCMITRE cvelistV5CVSS v3 → 4.3 · severity → MEDIUM
  4. 2026-08-11 13:42 UTCEPSS rescore
  5. 2026-08-09 13:46 UTCEPSS rescore
  6. 2026-08-09 06:23 UTCNVD update
  7. 2026-08-09 06:05 UTCEG score recompute
  8. 2026-08-09 06:05 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-16965?
CVE-2026-16965 is a medium vulnerability published on August 9, 2026. The Solace Extra WordPress plugin before 1.6.1 does not perform capability or nonce checks in one of its AJAX actions, allowing any authenticated user such as a subscriber (and, via CSRF, any logged-in user) to update post meta on arbitrary posts and to deactivate the site's active templates.
When was CVE-2026-16965 disclosed?
CVE-2026-16965 was first published in the National Vulnerability Database on August 9, 2026, with the most recent update on August 11, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-16965 actively exploited?
CVE-2026-16965 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 99.0% of all scored CVEs.
What is the CVSS score of CVE-2026-16965?
CVE-2026-16965 has a CVSS v3.1 base score of 4.3 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-16965?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-16965, 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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