Mailer Plus Log security updates, in plain English

Mailer Plus Log

2,081 sites report using it · on drupal.org · 1 security update explained here

This module records sent emails as pieces of content so they can be reviewed in a report.

Below is every security update for Mailer Plus Log 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.

Mailer Plus Log

Moderately critical · 2,081 sites report using it · SA-CONTRIB-2026-128 · on drupal.org · Week of 2 September 2026

The module does not hide sensitive information in the emails it records. An administrator could see one time login links for any account and use them to log in as that person. They could read hidden data and change data.

Who could do thisOnly someone with an administrator login.
Does it apply to youAny site using this module where an attacker has the access right to view the mail log.
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 Mailer Plus Log to 1.2.7.

For developers: what the fix changed

The fix introduces an email redactor service in `src/EmailRedactor.php` to remove sensitive login links from email bodies. This redaction is applied before saving the log entry in the `preSave` method of `src/Entity/SymfonyMailerLog.php`.

Also in this release Added tests, updated documentation, and added CSpell dictionary words.

1.2.6 to 1.2.7 1 commit, 17 files including 4 tests.

.gitlab-ci.yml +2 −0
README.md +31 −0
src/EmailRedactor.php +138 −0 fix
src/EmailRedactorInterface.php +36 −0 fix
src/Entity/SymfonyMailerLog.php +59 −0 fix
src/Entity/SymfonyMailerLogInterface.php +10 −0 fix
src/Plugin/Field/FieldFormatter/SymfonyMailerLogHtmlBody.php +13 −0 fix
src/RedactionMode.php +21 −0 fix
symfony_mailer_log.api.php +67 −0 fix
symfony_mailer_log.install +16 −0 fix
symfony_mailer_log.permissions.yml +3 −0 fix
symfony_mailer_log.post_update.php +77 −0 fix

Full diff, 1.2.6 to 1.2.7

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

Get in touch

Tell me who you are, what your organisation does, and what you need. That might be a Drupal site that needs looking after, an upgrade to get done before December, or an agency that needs Drupal cover.

If I can help, I'll say so and suggest a call. If I can't, I'll tell you straight away rather than waste your time.

For context: I work mainly with UK charities, membership bodies and research organisations, and with the agencies that look after their websites. Not recruiters.

Or start smaller and connect with me on LinkedIn. That's where I post what I find digging around in charity and grants data, and where the free tools turn up first.

Mailer Plus Log

Mailer Plus Log

Send me your Drupal site's address.

Get in touch

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