CVE Explorer
CVE-2026-4351
The Perfmatters plugin for WordPress is vulnerable to arbitrary file overwrite via path traversal in all versions up to, and including, 2.5.9. This is due to the `PMCS::action_handler()` method processing the bulk action `activate`/`deactivate` handlers without any authorization check or nonce verification. The `$_GET['snippets'][]` values are passed unsanitized to `Snippet::activate()`/`Snippet::deactivate()` which call `Snippet::update()` then `file_put_contents()` with the traversed path. Thi
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","status":"affected","version":"0","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:35b20f9e8e1c4fefa07611b41f849f3817af6f4f6d33ba07bdb52d0317d395e0 · sha256:c0d1cf82b1949060… · /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:v2:35b20f9e8e1c4fefa07611b41f849f3817af6f4f6d33ba07bdb52d0317d395e0 · sha256:c0d1cf82b1949060… · /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:v2:35b20f9e8e1c4fefa07611b41f849f3817af6f4f6d33ba07bdb52d0317d395e0 · sha256:c0d1cf82b1949060… · /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:v2:35b20f9e8e1c4fefa07611b41f849f3817af6f4f6d33ba07bdb52d0317d395e0 · sha256:c0d1cf82b1949060… · /containers/cna/references/1
{"url":"https://www.wordfence.com/threat-intel/vulnerabilities/id/c172ab2b-ce1f-4a0d-b31f-b75ff2f03506?source=cve"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:35b20f9e8e1c4fefa07611b41f849f3817af6f4f6d33ba07bdb52d0317d395e0 · sha256:c0d1cf82b1949060… · /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.