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Medium 5.3Published Oct 2, 2026

CVE-2026-81740Paytm Payment Gateway < 2.8.9 - Unauthenticated Order Status Manipulation via Payment Callback

Updated under an hour ago ()

Does this affect you?

It affects Unknown Paytm Payment Gateway. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

The Paytm Payment Gateway WordPress plugin before 2.8.9 does not verify that payment callbacks genuinely originate from the payment provider when its secret key has not been configured, which is its state immediately after activation, allowing unauthenticated attackers to change the status of arbitrary orders, including marking unpaid orders as paid and reducing stock.

CVSS
5.3 MEDIUM (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness (CWE)
CWE-287
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
Not loaded for this CVE
Assigned by
WPScan
NVD analysis
Deferred
Record last updated
Oct 2, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
Unknown Paytm Payment Gateway
unknown:paytm_payment_gateway (from the name)
before 2.8.9
CNA record

References

  • exploit, vdb-entry, technical-description

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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