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CVE-2026-128043VulnerabilityPublished

OpenMage magento-lts before 20.19.0 and 21.0.0-beta1 before 21.0.0-beta3 contains a cross-site request forgery

Source GCVE Database

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Authoritative record:CVE-2026-128043· Low 2.3

Not known to be exploited · CVSS 2.3 Low : upgrade to 20.19.0 when convenient.

Data as of 13 Nov 2026, 13:39 UTC

CVSS 4.0 base score
2.3Low
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (VulnCheck)CVSS 4.02.3
CNA (VulnCheck)CVSS 3.13.1
Patch
Available – fixed in 20.19.0, 21.0.0-beta3
CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 13 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.

What to do

Upgrade magento-lts to 20.19.0; magento-lts to 21.0.0-beta3; openmage/magento-lts to 21.0.0-beta3 or 20.19.0.

Affected software

ProductAffectedFixed in
OpenMagemagento-ltsAffected
  • <20.19.0
Fixed in
  • 20.19.0
OpenMagemagento-ltsAffected
  • >=21.0.0-beta1 <21.0.0-beta3
Fixed in
  • 21.0.0-beta3
GitHubopenmage/magento-ltspkg:github/openmage/magento-ltsOther threatsAffected
  • <20.19.0
  • >=21.0.0-beta1 <21.0.0-beta3
Fixed in
  • 20.19.0
  • 21.0.0-beta3

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

If you cannot patch yet, users should consider implementing additional CSRF protections or validating the origin of requests in the PayPal cancel and decline handlers.

Description

OpenMage magento-lts versions prior to 20.19.0 and 21.0.0-beta1 prior to 21.0.0-beta3 have a cross-site request forgery (CSRF) vulnerability in the PayPal cancel and decline return handlers. These handlers trust the checkout session without verifying that the request originated from PayPal. An attacker can exploit this by tricking a shopper into making a cross-site GET request to cancel their recent uninvoiced order, void pending authorizations, and restore items to the cart.

References

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