How severe is CVE-2019-15833?

CVE-2019-15833 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-15833 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-15833?

CVE-2019-15833 affects Simple Mail Address Encoder Project Simple Mail Address Encoder. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-15833?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-15833 published?

CVE-2019-15833 was published on 2019-08-30 and last updated on 2026-06-17.

CVE-2019-15833

CVE-2019-15833 is a medium-severity vulnerability in Simple Mail Address Encoder Project Simple Mail Address Encoder with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Simple Mail Address Encoder Project Simple Mail Address Encoder
Published: 2019-08-30
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2019-15833?: The simple-mail-address-encoder plugin before 1.7 for WordPress has reflected XSS.
How severe is CVE-2019-15833?: CVE-2019-15833 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-15833 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-15833?: CVE-2019-15833 affects Simple Mail Address Encoder Project Simple Mail Address Encoder. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-15833?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-15833 published?: CVE-2019-15833 was published on 2019-08-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:simple_mail_address_encoder_project:simple_mail_address_encoder:*:*:*:*:*:wordpress:*:*

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