Drupal security updates, in plain English · Module

Commerce sermepa

442 sites report using it · on drupal.org · 1 security update explained here

This module provides online shop support for Spanish banks that use specific payment systems.

Below is every security update for Commerce sermepa that this site has covered, newest first. Each one says who could exploit it, whether it applies to your site, how urgent it is, and what to tell your developer. If your site uses this module and you are not sure which version, that is the first question to ask whoever looks after it.

Commerce sermepa

Moderately critical · 442 sites report using it · SA-CONTRIB-2026-333 · on drupal.org · Week of 11 November 2026

The module does not check if a payment response actually belongs to the order it is being processed for. Anyone without logging in could cause an order to show the wrong payment status. They could change this data but could not uncover any hidden information.

  • Who could do thisAnyone visiting the site. No login needed.
  • Does it apply to youAny site using this module.
  • Has it been used in attacksNo sign of it.
  • How urgentDrupal rates this moderately critical. Include it in your next routine update, within the month.

Tell your developerUpdate Commerce sermepa to 8.x-2.5.

For developers: what the fix changed

The fix validates the Redsys response signature before processing merchant parameters and ensures the received order ID matches the order being paid in `Sermepa::processRequest()`. It also adds `isPaidAmountValid()` to verify the paid amount and currency, and updates `SermepaForm::buildConfigurationForm()` to include the amount and order total in the signed merchant data.

8.x-2.4 to 8.x-2.5 1 commit, 2 files.

  • src/Plugin/Commerce/PaymentGateway/Sermepa.php +101 −10 fix
  • src/PluginForm/OffsiteRedirect/SermepaForm.php +5 −1 fix

Full diff, 8.x-2.4 to 8.x-2.5

The comparison is against the release immediately before the fix. If your site is on an older release, more will have changed.

Not sure what your site is running?

Send me your Drupal site's address.

I'll tell you what I can see from outside, what the Drupal 10 end of life on 9 December means for it, and what it would cost to have me keep it patched. There's no charge for that and no obligation. peter@peterbrady.co.uk


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