How severe is CVE-2022-42704?

CVE-2022-42704 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-2022-42704 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-42704?

CVE-2022-42704 primarily affects Servicenow. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-42704?

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

When was CVE-2022-42704 published?

CVE-2022-42704 was published on 2023-01-13 and last updated on 2026-06-17.

CVE-2022-42704

CVE-2022-42704 is a medium-severity vulnerability in Servicenow 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: 0% (35th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Servicenow
Published: 2023-01-13
Last modified: 2026-06-17

Description

A cross-site scripting (XSS) vulnerability in Employee Service Center (esc) and Service Portal (sp) in ServiceNow Quebec, Rome, and San Diego allows remote attackers to inject arbitrary web script via the Standard Ticket Conversations widget.

Frequently asked questions

What is CVE-2022-42704?: A cross-site scripting (XSS) vulnerability in Employee Service Center (esc) and Service Portal (sp) in ServiceNow Quebec, Rome, and San Diego allows remote attackers to inject arbitrary web script via the Standard Ticket Conversations widget.
How severe is CVE-2022-42704?: CVE-2022-42704 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-2022-42704 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (35th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-42704?: CVE-2022-42704 primarily affects Servicenow. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-42704?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-42704 published?: CVE-2022-42704 was published on 2023-01-13 and last updated on 2026-06-17.

References

https://support.servicenow.com/kb?id=kb_article_view&sysparm_article=KB1216141

Affected products (7)

cpe:2.3:a:servicenow:servicenow:quebec:*:*:*:*:*:*:*
cpe:2.3:a:servicenow:servicenow:rome:*:*:*:*:*:*:*
cpe:2.3:a:servicenow:servicenow:rome:patch_1:*:*:*:*:*:*
cpe:2.3:a:servicenow:servicenow:rome:patch_2:*:*:*:*:*:*
cpe:2.3:a:servicenow:servicenow:rome:patch_3:*:*:*:*:*:*
cpe:2.3:a:servicenow:servicenow:rome:patch_4:*:*:*:*:*:*
cpe:2.3:a:servicenow:servicenow:san_diego:*:*:*:*:*:*:*

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