CVE-2026-13251

HIGHPre-NVD 7.57.5—
EchelonGraph scoreHIGH confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-07-02. a secondary CVSS source baseline 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 3 sources updated this week
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 7.5Exploit: NoneExposed: 0

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

The Perfmatters plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 2.6.4 via the 's' parameter. This makes it possible for unauthenticated attackers to read the contents of arbitrary files on the server, which can contain sensitive information. Exploitation requires the Local Google Fonts feature to be enabled (disabled by default), pretty permalinks to be active, and RSS feed links to remain enabled in the plugin settings.

CVSS v3
7.5
EG Score
7.5(high)
EPSS
52.8%
KEV
Not listed

Published

July 2, 2026

Last Modified

July 2, 2026

Advisory Details (1)

Auto-updated Jul 3, 2026
No patch confirmed yet.
generic

Changelog - Perfmatters

https://perfmatters.io/docs/changelog/

Vendor Advisories for CVE-2026-13251(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 25× in last 7d / 25× 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. 2026-07-07 08:37 UTCEG score recompute
  2. 2026-07-07 08:37 UTCGHSA enrichment
  3. 2026-07-06 19:44 UTCEG score recompute
  4. 2026-07-06 19:44 UTCGHSA enrichment
  5. 2026-07-06 16:27 UTCEPSS rescore
  6. 2026-07-06 06:45 UTCEG score recompute
  7. 2026-07-06 06:45 UTCGHSA enrichment
  8. 2026-07-06 02:23 UTCEPSS rescore
  9. 2026-07-05 17:53 UTCEG score recompute
  10. 2026-07-05 17:53 UTCGHSA enrichment
  11. 2026-07-05 05:01 UTCEG score recompute
  12. 2026-07-05 05:01 UTCGHSA enrichment
  13. 2026-07-05 02:30 UTCEPSS rescore
  14. 2026-07-05 02:30 UTCEPSS rescore
  15. 2026-07-04 16:07 UTCEG score recompute
  16. 2026-07-04 16:07 UTCGHSA enrichment
  17. 2026-07-04 06:31 UTCEPSS rescore
  18. 2026-07-04 03:14 UTCEG score recompute
  19. 2026-07-04 03:14 UTCGHSA enrichment
  20. 2026-07-03 14:20 UTCEG score recompute
  21. 2026-07-03 14:20 UTCGHSA enrichment
  22. 2026-07-03 01:28 UTCEG score recompute
  23. 2026-07-03 01:28 UTCGHSA enrichment
  24. 2026-07-02 12:36 UTCEG score recompute
  25. 2026-07-02 12:36 UTCGHSA enrichment

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-13251?
CVE-2026-13251 is a high vulnerability published on July 2, 2026. The Perfmatters plugin for WordPress is vulnerable to Directory Traversal in all versions up to, and including, 2.6.4 via the 's' parameter. This makes it possible for unauthenticated attackers to read the contents of arbitrary files on the server, which can contain sensitive information.…
When was CVE-2026-13251 disclosed?
CVE-2026-13251 was first published in the National Vulnerability Database on July 2, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-13251 actively exploited?
CVE-2026-13251 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 52.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-13251?
CVE-2026-13251 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-13251?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13251, 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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