# CVE-2026-109977: YaySMTP <= 2.7.8 - Authenticated (Administrator+) SQL Injection via 'params[searchKey]' Parameter

Status: published. Published: 2026-11-06. Updated: 2026-11-06.

The YaySMTP – WP Mail SMTP with Email Logs, Tracking & Reports plugin for WordPress is vulnerable to time-based SQL Injection via the 'params[searchKey]' parameter in all versions up to, and including, 2.7.8 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with administrator-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- yaycommerce / YaySMTP – WP Mail SMTP with Email Logs, Tracking & Reports: ≥ 0; ≤ 2.7.8 (affected, semver). Source: CNA: Wordfence

## Severity and prioritization

- CVSS 3.1: 4.9 (medium); CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N; source: CNA: Wordfence

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-89

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/9678ef78-ac5c-4dc0-8c15-092359f3defa?source=cve (CNA: Wordfence)

- https://plugins.trac.wordpress.org/browser/yaysmtp/tags/2.7.8/includes/ImportSettingsOtherPlugins.php#L258 (CNA: Wordfence)

- https://plugins.trac.wordpress.org/browser/yaysmtp/tags/2.7.8/includes/ImportSettingsOtherPlugins.php#L264 (CNA: Wordfence)

- https://plugins.trac.wordpress.org/browser/yaysmtp/tags/2.7.8/includes/ImportSettingsOtherPlugins.php#L153 (CNA: Wordfence)

- https://plugins.trac.wordpress.org/browser/yaysmtp?rev=3778283 (CNA: Wordfence)

## Provenance

- CNA: Wordfence: https://www.cve.org/CVERecord?id=CVE-2026-109977; retrieved 2026-11-06; source updated 2026-11-06

Revision: dcc3163457f75d6adb28d53d2a9fcdf55c65796a08eae4688152675566ea4c16

Canonical: https://y2.dev/cve/CVE-2026-109977

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.