How severe is CVE-2023-25763?

CVE-2023-25763 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-25763 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-25763?

CVE-2023-25763 affects Jenkins Email Extension. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-25763?

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

When was CVE-2023-25763 published?

CVE-2023-25763 was published on 2023-02-15 and last updated on 2026-06-17.

CVE-2023-25763

CVE-2023-25763 is a medium-severity vulnerability in Jenkins Email Extension with a CVSS 3.x base score of 5.4. 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 5.4)
EPSS exploit prediction: 1% (45th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Jenkins Email Extension
Published: 2023-02-15
Last modified: 2026-06-17

Description

Jenkins Email Extension Plugin 2.93 and earlier does not escape various fields included in bundled email templates, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to control affected fields.

Frequently asked questions

What is CVE-2023-25763?: Jenkins Email Extension Plugin 2.93 and earlier does not escape various fields included in bundled email templates, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to control affected fields.
How severe is CVE-2023-25763?: CVE-2023-25763 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-25763 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-25763?: CVE-2023-25763 affects Jenkins Email Extension. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-25763?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-25763 published?: CVE-2023-25763 was published on 2023-02-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:jenkins:email_extension:*:*:*:*:*:jenkins:*:*

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