How severe is CVE-2025-55105?

CVE-2025-55105 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-55105 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-55105?

CVE-2025-55105 affects Esri Portal For Arcgis. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-55105?

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

Does CVE-2025-55105 have an EU (EUVD) identifier?

Yes. CVE-2025-55105 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-28579.

When was CVE-2025-55105 published?

CVE-2025-55105 was published on 2025-08-21 and last updated on 2026-06-17.

CVE-2025-55105

CVE-2025-55105 is a medium-severity vulnerability in Esri Portal For Arcgis with a CVSS 3.x base score of 4.8. 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 4.8)
EPSS exploit prediction: 0% (11th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-28579
Weakness: CWE-79
Affected product: Esri Portal For Arcgis
Published: 2025-08-21
Last modified: 2026-06-17

Description

There is a stored Cross-site Scripting vulnerability in Esri Portal for ArcGIS Enterprise Sites versions 10.9.1 – 11.4 that may allow a remote, authenticated attacker to inject malicious a file with an embedded xss script which when loaded could potentially execute arbitrary JavaScript code in the victim’s browser. The privileges required to execute this attack are high. The attack could disclose a privileged token which may result in the attacker gaining full control of the Portal.

Frequently asked questions

What is CVE-2025-55105?: There is a stored Cross-site Scripting vulnerability in Esri Portal for ArcGIS Enterprise Sites versions 10.9.1 – 11.4 that may allow a remote, authenticated attacker to inject malicious a file with an embedded xss script which when loaded could potentially execute arbitrary JavaScript code in the victim’s browser. The privileges required to execute this attack are high. The attack could disclose a privileged token which may result in the attacker gaining full control of the Portal.
How severe is CVE-2025-55105?: CVE-2025-55105 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-55105 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (11th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-55105?: CVE-2025-55105 affects Esri Portal For Arcgis. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-55105?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-55105 have an EU (EUVD) identifier?: Yes. CVE-2025-55105 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-28579.
When was CVE-2025-55105 published?: CVE-2025-55105 was published on 2025-08-21 and last updated on 2026-06-17.

References

https://www.esri.com/arcgis-blog/products/trust-arcgis/administration/2925891-2

Affected products (1)

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

More vulnerabilities in Esri Portal For Arcgis

CVE-2024-25693 — Critical (CVSS 9.9): There is a path traversal in Esri Portal for ArcGIS versions <= 11.2. Successful exploitation may allow a remote,…
CVE-2026-33519 — Critical (CVSS 9.8): An incorrect authorization vulnerability exists in Esri Portal for ArcGIS 11.4, 11.5 and 12.0 on Windows, Linux and…
CVE-2026-33518 — Critical (CVSS 9.8): An incorrect privilege assignment vulnerability exists in Esri Portal for ArcGIS 11.5 in Windows and Linux that allows…
CVE-2025-2538 — Critical (CVSS 9.8): A hardcoded credential vulnerability exists in a specific deployment pattern for Esri Portal for ArcGIS versions 11.4…
CVE-2025-4967 — Critical (CVSS 9.1): Esri Portal for ArcGIS 11.4 and prior allows a remote, unauthenticated attacker to bypass the Portal’s SSRF…
CVE-2023-25832 — High (CVSS 8.8): There is a cross-site-request forgery vulnerability in Esri Portal for ArcGIS Versions 11.0 and below that may allow an…

All CVEs affecting Esri Portal For Arcgis →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →