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Paytm Payment Gateway <= 2.8.8 — Unauthenticated Payment Bypass

CVE-2026-81740Published · Updated

Action summary

Affected: ≤2.8.8Update to 2.8.9 or newer

All remediation steps
Watch plugin
Severity
Medium5.3
CVSS
5.3
CVSS 3.1 · CNA (Wordfence)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
What does this vector mean?
AV:N Attack vector
Network
AC:L Attack complexity
Low
PR:N Privileges required
None
UI:N User interaction
None
S:U Scope
Unchanged
C:N Confidentiality
None
I:L Integrity
Low
A:N Availability
None
Weakness
CWE-602 Client-Side Enforcement of Server-Side Security
Required access
No account needed
Exploit prediction (EPSS)
0.2% chance in 30 days7th percentile
CISA KEV
Not listed
On this page8

Am I affected?

Paytm Payment Gateway paytm-payments

  1. Affected≤ 2.8.8
  2. Patched in2.8.9

Update to 2.8.9 or newer.

You are affected if you run ≤ 2.8.8. Version 2.8.9 and later are not affected by this issue.

  • Check your version: in wp-admin go to Plugins → Installed Plugins and read the version under Paytm Payment Gateway.
  • No admin access? Run a passive check of your site. It reads public files only.
  • No account is needed to exploit this. Treat any exposed site on an affected version as at risk.

What to do

  1. Update to version 2.8.9, or a newer patched version
  2. Rotate administrator passwords and application secrets if the site ran a vulnerable version while publicly reachable.
  3. Watch Paytm Payment Gateway to get an email when the next vulnerability is published.

Advisory

Source description from Wordfence Intelligence, credited to Artus KG.

The Paytm Payment Gateway plugin for WordPress is vulnerable to Payment Bypass in all versions up to, and including, 2.8.8. This is due to a lack of server-side payment verification. This makes it possible for unauthenticated attackers to bypass payments.

Exploits & references

Proof-of-concept & detection

No public proof-of-concept or detection template is known for this vulnerability.

Advisories & patches

More in Paytm Payment Gateway

All 5
More vulnerabilities in Paytm Payment Gateway
SeverityVulnerabilityCVEPublished
High7.5Unauthenticated SQL Injection
≤2.8.8Update to 2.8.9
CVE-2026-81809
High7.2Unauthenticated Stored Cross-Site Scripting
≤2.8.8Update to 2.8.9
CVE-2026-81739
High8.8Authenticated (Editor+) SQL Injection via 'post'
≤2.7.3Update to 2.7.7
CVE-2022-45805
High7.2Unauthenticated Server-Side Request Forgery
≤2.7.0Update to 2.7.3
CVE-2022-45362

Timeline

  1. CVE published

    Severity medium, CVSS 5.3

  2. Record last updated

Sources & licenses

Wordfence record
Vulnerability data
Wordfence Intelligence. Copyright 2012-2026 Defiant Inc. Licensed under the CC BY-SA 4.0.
CVE® identifiers
Copyright 1999-2026 The MITRE Corporation. Used under the CVE Program. CVE® is a registered trademark of The MITRE Corporation.
CVSS / CWE
National Vulnerability Database (NVD), shown unmodified. This product uses the NVD API but is not endorsed or certified by the NVD.
EPSS
Exploit Prediction Scoring System by FIRST.org.
VulnCrest content
Summary, remediation guidance and page layout © VulnCrest. Not sourced from NVD.

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