CVE-2019-15833: The simple-mail-address-encoder plugin before 1.7 for WordPress has reflected XSS.

Q: How do I fix CVE-2019-15833?

simple mail address encoder: upgrade to 1.7. Exact commands for each OS are on this page.

Q: Is CVE-2019-15833 being exploited?

CVE-2019-15833 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2019-15833 affect?

CVE-2019-15833 affects simple mail address encoder. Severity is medium (CVSS 6.1). The simple-mail-address-encoder plugin before 1.7 for WordPress has reflected XSS.

Q: How urgent is CVE-2019-15833?

Priority 37/100. No elevated risk signals yet.

Routine

MEDIUM 6.1UPGRADE

CVE-2019-15833 is a medium-severity flaw (CVSS 6.1) affecting simple mail address encoder. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The simple-mail-address-encoder plugin before 1.7 for WordPress has reflected XSS.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.1 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	Required
EPSS exploit chance	1.0% (top 38%)
CISA exploited list	No
Weakness	CWE-79
Published	2019-08-30
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: simple mail address encoder project

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2019-08-30 14:15 UTCPublished CVE record published
2026-06-17 02:21 UTCUpdated Record last modified

simple mail address encoder project simple mail address encoder UPGRADE

Affected: < 1.7

Fixed in: 1.7

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy simple-mail-address-encoder || rpm -q simple-mail-address-encoder || simple-mail-address-encoder --version

2. UPGRADE to 1.7 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade simple-mail-address-encoder

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade simple-mail-address-encoder

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2019-15833?

simple mail address encoder: upgrade to 1.7. Exact commands for each OS are on this page.

Is CVE-2019-15833 being exploited?

CVE-2019-15833 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2019-15833 affect?

CVE-2019-15833 affects simple mail address encoder. Severity is medium (CVSS 6.1). The simple-mail-address-encoder plugin before 1.7 for WordPress has reflected XSS.

How urgent is CVE-2019-15833?

Priority 37/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

References

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