CVE-2025-9816

HIGHPre-NVD 7.27.2—
EchelonGraph scoreMEDIUM confidence

Score 7.2 from GitHub Security Advisory (severity: HIGH) published 2025-09-27. A secondary CVSS source baseline 7.2; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this weekElevated
7.2EG
EchelonGraph verdictPlan mitigationSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 9.7%CVSS: 7.2Exploit: Elevated riskExposed services: Not assessed

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

The WP Statistics – The Most Popular Privacy-Friendly Analytics Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the User-Agent Header in all versions up to, and including, 14.5.4 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CVSS v3
7.2
EG Score
7.2HIGHmedium confidence
EG Risk
63
EG Risk 63/100CISA 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
Severity72% × 45%
Exploitation40% × 40%
Automatability100% × 15%
CISA SSVC: Track at low or medium mission impact; Attend at high (mission-essential systems).
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.
EPSS PROB
9.7%
EPSS %ILE
95th
KEV
Not listed

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

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines at low or medium mission impact and sooner than that at high, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable yes (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

September 27, 2025

Last Modified

October 9, 2026

References (2)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 20× 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 156 total refreshes for this CVE.

  1. 2026-10-09 20:06 UTCEPSS rescore
  2. 2026-10-09 11:11 UTCEG score recompute
  3. 2026-10-09 11:10 UTCGHSA enrichment
  4. 2026-10-08 17:11 UTCEPSS rescore
  5. 2026-10-07 23:47 UTCEPSS rescore
  6. 2026-10-06 15:17 UTCEPSS rescore
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  34. 2026-07-23 14:18 UTCEPSS rescore
  35. 2026-07-23 03:04 UTCEG score recompute
  36. 2026-07-22 14:08 UTCEPSS rescore
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  73. 2026-06-19 19:25 UTCEPSS rescore
  74. 2026-06-18 17:52 UTCEPSS rescore
  75. 2026-06-17 17:53 UTCEPSS rescore

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Frequently asked(5)

What is CVE-2025-9816?
CVE-2025-9816 is a high vulnerability published on September 27, 2025. The WP Statistics – The Most Popular Privacy-Friendly Analytics Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the User-Agent Header in all versions up to, and including, 14.5.4 due to insufficient input sanitization and output escaping. This makes it possible for…
When was CVE-2025-9816 disclosed?
CVE-2025-9816 was first published on September 27, 2025, with the most recent update on October 9, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-9816 actively exploited?
CVE-2025-9816 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 9.7% probability of exploitation in the next 30 days (95th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2025-9816?
CVE-2025-9816 has a CVSS base score of 7.2 (a secondary CVSS source that NVD displays; NVD's own analysis pending).
How do I remediate CVE-2025-9816?
No fix for CVE-2025-9816 is confirmed yet. Until one is published, restrict network exposure of the affected system or apply the vendor's mitigation — for example, keep it off the internet or limit it to trusted networks — and watch the vendor's advisory for the fix.

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