CVE-2026-87973

LOWPre-NVD 3.13.1—
EchelonGraph scoreHIGH confidence

Score 3.1 from GitHub Security Advisory (severity: LOW) published 2026-10-01. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 3.1; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Trending — 4 sources updated this week
3.1EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: 0.1%CVSS: 3.1Exploit: None knownExposed services: Not assessed

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

The If-So Dynamic Content WordPress plugin before 1.10.2 does not sanitize a conversion name before storing it, nor escape it when rendering the analytics page, allowing users with editor-level access to store JavaScript that executes in the session of a higher-privileged user who views that page.

CVSS v3
3.1
EG Score
3.1LOWhigh confidence
EG Risk
14
EG Risk 14/100CISA 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
Severity31% × 45%
Exploitation0% × 40%
Automatability0% × 15%
CISA SSVC: Track at every mission impact level.
Action: No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.
EPSS PROB
0.1%
EPSS %ILE
1st
KEV
Not listed

CISA SSVCTrack at every mission impact level.

No fix is confirmed yet. Restrict network exposure of the affected system or apply the vendor's mitigation within your standard update timelines, and watch the vendor's advisory for the fix.

Exploitation none (CISA Vulnrichment) · Automatable no (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

October 1, 2026

Last Modified

October 1, 2026

Vendor Advisories for CVE-2026-87973(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 11× in last 7d / 11× 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. 2026-10-04 09:47 UTCEG score recompute
  2. 2026-10-04 09:47 UTCGHSA enrichment
  3. 2026-10-01 13:19 UTCEG score recompute
  4. 2026-10-01 13:19 UTCGHSA enrichment
  5. 2026-10-01 11:27 UTCGHSA enrichment
  6. 2026-10-01 10:51 UTCEG score recompute▲ 3.10
  7. 2026-10-01 10:51 UTCGHSA enrichment
  8. 2026-10-01 10:50 UTCMITRE cvelistV5CVSS v3 → 3.1 · severity → LOW
  9. 2026-10-01 06:19 UTCNVD update
  10. 2026-10-01 06:16 UTCEG score recompute
  11. 2026-10-01 06:15 UTCMITRE cvelistV5first tracked

Frequently asked(5)

What is CVE-2026-87973?
CVE-2026-87973 is a low vulnerability published on October 1, 2026. The If-So Dynamic Content WordPress plugin before 1.10.2 does not sanitize a conversion name before storing it, nor escape it when rendering the analytics page, allowing users with editor-level access to store JavaScript that executes in the session of a higher-privileged user who views that page.
When was CVE-2026-87973 disclosed?
CVE-2026-87973 was first published on October 1, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-87973 actively exploited?
CVE-2026-87973 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.1% probability of exploitation in the next 30 days (1st percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-87973?
CVE-2026-87973 has a CVSS v3.1 base score of 3.1 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-87973?
No fix for CVE-2026-87973 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. The vendor advisories EchelonGraph has for CVE-2026-87973 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2026-87973

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