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CVE-2026-103307

HIGH 8.6 PoC AVAILABLE

Published 2026-10-14 · Last modified 2026-10-14

The Walletdoc Payment Gateway for WooCommerce WordPress plugin before 1.8.5 does not properly sanitize and escape user input before using it in a SQL statement, and verifies its payment webhook with a signing secret that is empty by default, allowing unauthenticated attackers to perform SQL injection attacks and to mark arbitrary orders as paid.

EXPLOIT AVAILABLE

Public exploit or PoC code exists. Modeled probability is still low, but the barrier to attack is reduced — watch closely.

Exploitation likelihood

0.3%chance of exploitation in 30 days · 27th percentile

○ In CISA KEV ● Public exploit / PoC

Impact if exploited

8.6CVSS 3.1 · HIGH

  • ConfidentialityHigh
  • IntegrityNone
  • AvailabilityNone

What an attacker needs

  • ✓Access: Reachable over the network — no local access needed
  • ✓Privileges: No account or privileges required
  • ✓User interaction: No user interaction needed
  • ✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept & exploit code

Test against your own equipment

curl -s https://vulnpedia.com/cve/CVE-2026-103307/poc.jsonMachine-readable PoC index for this CVE (for automation).

Listed for defensive triage, patch verification, and authorized testing on systems you own. Machine-readable: /cve/CVE-2026-103307/poc.json

Affected

Vendors Unknown

Products Walletdoc Payment Gateway For Woocommerce

Weakness (CWE)

  • CWE-89: Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

All CVSS metrics

  • HIGH 8.6 v3.1 · ADP Primary
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
  • HIGH 8.6 v3.1 · NVD Secondary
    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

References

Exploits & PoC

Sources: NVD · CVE.org · EPSS