CVE Explorer
CVE-2026-4350
The Perfmatters plugin for WordPress is vulnerable to arbitrary file deletion via path traversal in all versions up to, and including, 2.5.9.1. This is due to the `PMCS::action_handler()` method processing the `$_GET['delete']` parameter without any sanitization, authorization check, or nonce verification. The unsanitized filename is concatenated with the storage directory path and passed to `unlink()`. This makes it possible for authenticated attackers, with Subscriber-level access and above, t
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Perfmatters","vendor":"perfmatters","versions":[{"lessThanOrEqual":"2.5.9.1","status":"affected","version":"0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:f3c32979a45b67906b501dbbfe4f084cc67152dcf3429574d79ef2670b78efa6 · sha256:671a015076cb9573… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"baseScore":8.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:f3c32979a45b67906b501dbbfe4f084cc67152dcf3429574d79ef2670b78efa6 · sha256:671a015076cb9573… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-22","description":"CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:f3c32979a45b67906b501dbbfe4f084cc67152dcf3429574d79ef2670b78efa6 · sha256:671a015076cb9573… · /containers/cna/problemTypes/0/descriptions/0
Source references
2 source assertions{"url":"https://perfmatters.io/docs/changelog/"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:f3c32979a45b67906b501dbbfe4f084cc67152dcf3429574d79ef2670b78efa6 · sha256:671a015076cb9573… · /containers/cna/references/1
{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/58b9dab8-8539-4b53-b08d-f6ee3e1e744c?source=cve"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:f3c32979a45b67906b501dbbfe4f084cc67152dcf3429574d79ef2670b78efa6 · sha256:671a015076cb9573… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.