How severe is CVE-2023-25837?

CVE-2023-25837 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-25837 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-2023-25837?

CVE-2023-25837 affects Esri Portal For Arcgis. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-25837?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-25837 published?

CVE-2023-25837 was published on 2023-07-21 and last updated on 2026-06-17.

CVE-2023-25837

CVE-2023-25837 is a high-severity vulnerability in Esri Portal For Arcgis with a CVSS 3.x base score of 8.4. 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: High (CVSS 3.x base score 8.4)
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Esri Portal For Arcgis
Published: 2023-07-21
Last modified: 2026-06-17

Description

There is a Cross‑Site Scripting (XSS) vulnerability in Esri ArcGIS Enterprise Sites versions 10.9 and below that may allow a remote, authenticated attacker to create a crafted link which, when clicked by a victim, could result in the execution of arbitrary JavaScript code in the target’s browser. Exploitation requires high‑privileged authenticated access. Successful exploitation may allow the attacker to access sensitive session data, manipulate trusted content, and disrupt normal application functionality, resulting in a high impact to confidentiality, integrity, and availability.

Frequently asked questions

What is CVE-2023-25837?: There is a Cross‑Site Scripting (XSS) vulnerability in Esri ArcGIS Enterprise Sites versions 10.9 and below that may allow a remote, authenticated attacker to create a crafted link which, when clicked by a victim, could result in the execution of arbitrary JavaScript code in the target’s browser. Exploitation requires high‑privileged authenticated access. Successful exploitation may allow the attacker to access sensitive session data, manipulate trusted content, and disrupt normal application functionality, resulting in a high impact to confidentiality, integrity, and availability.
How severe is CVE-2023-25837?: CVE-2023-25837 has a CVSS 3.x base score of 8.4, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-25837 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-2023-25837?: CVE-2023-25837 affects Esri Portal For Arcgis. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-25837?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-25837 published?: CVE-2023-25837 was published on 2023-07-21 and last updated on 2026-06-17.

References

https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/portal-for-arcgis-enterprise-sites-security-patch-is-now-available/

Affected products (1)

cpe:2.3:a:esri:portal_for_arcgis:*:*:*:*:*:*:*:*

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