CVE-2026-13176

LOWPre-NVD 2.72.7—
EchelonGraph scoreHIGH confidence

Score 2.7 from GitHub Security Advisory (severity: LOW) published 2026-08-21. a secondary CVSS source baseline 2.7; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: ghsa, secondary
Trending — 3 sources updated this week
2.7EG
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS PROB: —CVSS: 2.7Exploit: None knownExposed: 0

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

The Eventin WordPress plugin before 4.1.21 does not validate a user-supplied webhook URL stored on events nor verify event ownership, allowing users with contributor-level access and above to trigger blind server-side requests to arbitrary hosts.

CVSS v3
2.7
EG Score
2.7(high)
EG Risk
12(Track)
EG Risk 12/100SSVC: 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
Severity27% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
—
EPSS %ILE
—
KEV
Not listed

Published

August 21, 2026

Last Modified

August 21, 2026

References (1)

Vendor Advisories for CVE-2026-13176(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 7× in last 7d / 7× 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 13:20 UTCEG score recompute
  2. 2026-08-21 13:20 UTCGHSA enrichment
  3. 2026-08-21 13:09 UTCEG score recompute
  4. 2026-08-21 13:09 UTCGHSA enrichment
  5. 2026-08-21 12:19 UTCEG score recompute
  6. 2026-08-21 11:55 UTCEG score recompute
  7. 2026-08-21 11:54 UTCMITRE cvelistV5first tracked

Frequently asked(4)

What is CVE-2026-13176?
CVE-2026-13176 is a low vulnerability published on August 21, 2026. The Eventin WordPress plugin before 4.1.21 does not validate a user-supplied webhook URL stored on events nor verify event ownership, allowing users with contributor-level access and above to trigger blind server-side requests to arbitrary hosts.
When was CVE-2026-13176 disclosed?
CVE-2026-13176 was first published in the National Vulnerability Database on August 21, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
What is the CVSS score of CVE-2026-13176?
CVE-2026-13176 has a CVSS v3 base score of 2.7 (NVD).
How do I remediate CVE-2026-13176?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13176, 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-2026-13176

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