Vulnerability database
Every flaw the U.S. government’s cybersecurity agency (CISA) has confirmed attackers are using, plus the new WordPress plugin and theme bugs published each day, sorted by what they mean for a small business. We refresh it twice a day. If you see something your website or office runs, tell us.
4 results
Jul 20, 2026lettre is a a mailer library for Rust.CVE-2026-46428 · Other software · lettre · reported by GitHubCritical 9.1
lettre is a a mailer library for Rust. Starting in version 0.10.1 and prior to version 0.11.22, an inverted-boolean bug in lettre's `boring-tls` integration silently disables TLS hostname verification for callers using the default (strict) configuration. An on-path attacker presenting any chain-valid certificate for any domain can intercept SMTP submission, including PLAIN/LOGIN credentials and message contents, against any lettre user built with the `boring-tls` feature. Other TLS backends (`native-tls`, `rustls`) are unaffected. Version 0.11.22 patches the issue.
- Product
- lettre
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Aug 8, 2021An issue was discovered in the lettre crate before 0.9.6 for Rust.CVE-2021-38189 · Other software · Lettre · reported by MITRECritical 9.8
An issue was discovered in the lettre crate before 0.9.6 for Rust. In an e-mail message body, an attacker can place a . character after two <CR><LF> sequences and then inject arbitrary SMTP commands.
- Product
- Lettre
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordraw.githubusercontent.comrustsec.org
Nov 12, 2020The lettre library through 0.10.0-alpha for Rust allows arbitrary sendmail option injection via transport/sendmail/mod.rs.CVE-2020-28247 · Other software · Lettre · reported by MITREMedium 5.3
The lettre library through 0.10.0-alpha for Rust allows arbitrary sendmail option injection via transport/sendmail/mod.rs.
- Product
- Lettre
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Jun 2, 2014SQL injection vulnerability in glossaire-aff.php in the Glossaire module 1.0 for XOOPS allows remote attackers to execute arbitrary SQL commands via the lettre CVE-2014-3935 · Other software · Xoops · reported by MITREHigh 7.5
SQL injection vulnerability in glossaire-aff.php in the Glossaire module 1.0 for XOOPS allows remote attackers to execute arbitrary SQL commands via the lettre parameter.
- Product
- Glossaire Module
- What to do
- Apply the vendor’s update. The NVD record links to the advisory.
Full record and what to do →NVD recordpacketstormsecurity.comsecurityfocus.com
Where this comes from: the exploited list is CISA’s Known Exploited Vulnerabilities catalog. Everything else is the whole National Vulnerability Database, where each record is published by the team that found the bug (Wordfence, Patchstack, WPScan, the vendors themselves and others); we show who. Exploit odds are FIRST’s EPSS, updated daily. Titles and categories are ours, so check the linked record before acting on a detail. For a write-up of the big ones, see our advisories. Every vendor, and every WordPress plugin and theme with a recorded flaw, also has its own page. All of it is free to reuse as JSON, CSV or RSS.
Weekly security brief
The flaws that hit local websites, every Friday.
One short email: what got exploited this week, which WordPress plugins broke, and what to check. Unsubscribe in one click.
Tell us what you're building.
A website, your marketing, a security check, an app, or the thing you've been running out of a spreadsheet for three years. A few lines is plenty.
Not ready to talk yet? Run the free website check and see what Google sees.