EUVD-2026-86579
GHSA-mhvq-rh33-27cf
Severity by source
AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Network-reachable form submission by any Subscriber+ (PR:L, AV:N, UI:N) yields administrator role and full site control, so C:H/I:H/A:H; AC:L as tampering is trivial once the feed is configured.
Primary rating from Vendor (Wordfence).
CVSS VectorVendor: Wordfence
Lifecycle Timeline
3DescriptionCVE.org
The Knit Pay - Cashfree, Instamojo, Razorpay, PayPal and more plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 9.6.1.0. This is due to the maybe_update_user_role() function reading the target role directly from an attacker-controlled Gravity Forms entry field - configured via the feed's user_role_field_id - and passing it to WP_User::set_role() without validating the supplied value against an allowlist of permitted roles. This makes it possible for authenticated attackers, with Subscriber-level access and above, to elevate their privileges to administrator by tampering with the hidden role field value at form submission time. Exploitation is further enabled by the fact that $0 orders are synchronously marked as SUCCESS during form submission without requiring a real payment, and when no GF User Registration user can be resolved, the role assignment target falls back to $lead['created_by'] - the currently authenticated submitter's own user ID - making any authenticated form submitter an eligible exploitation target.
Articles & Coverage 1
AnalysisAI
Privilege escalation in the Knit Pay WordPress plugin through 9.6.1.0 lets an authenticated attacker with Subscriber-level access and above promote their own account to administrator by tampering with the hidden role field of a Gravity Forms submission. The flaw requires the plugin's Gravity Forms integration to be active and a feed configured so that user_role_field_id points at a form field; the plugin then passes that attacker-controlled value directly to WP_User::set_role() with no allowlist validation, and the process is further helped by $0 orders being marked SUCCESS synchronously at submission and by the role-assignment fallback to $lead['created_by'], the submitter's own user ID. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires the Knit Pay plugin (<=9.6.1.0) installed alongside Gravity Forms, with a Knit Pay Gravity Forms feed configured so that user_role_field_id points to a form field controlling the assigned role. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine high-priority issue, not a high-CVSS-but-low-real-risk case. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | The primary fix is to update the Knit Pay plugin beyond the vulnerable 9.6.1.0 release; the supplied reference https://plugins.trac.wordpress.org/changeset?reponame=&old=3706862%40knit-pay&new=3706862%40knit-pay points to the upstream changeset containing the code change, so upgrading to the first release that incorporates that changeset resolves the issue, and administrators should verify the plugin changelog rather than assume 9.6.1.0 is the fixed version. … Detailed patch versions, workarounds, and compensating controls in full report. |
Recommended ActionAI
Within 24 hours, identify all WordPress sites running Knit Pay version 9.6.1.0 or earlier and determine whether the Gravity Forms integration is active with a feed configured for user_role_field_id; if so, immediately disable the Gravity Forms integration or the specific feed, or restrict Subscriber-level account creation and privileges. …
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Same weakness CWE-269 – Improper Privilege Management
View allSame technique Privilege Escalation
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External POC / Exploit Code
Leaving vuln.today