Is CVE-2025-55126 in the CISA KEV catalog?

No. CVE-2025-55126 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-55126?

CVE-2025-55126 has a CVSS v3 base score of 6.5 (MEDIUM).

What is the EPSS score for CVE-2025-55126?

CVE-2025-55126 has an EPSS score of 0.18% (8th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-55126?

Upgrade revive adserver to 6.0.3 or later.

CVE & CISA-KEV Catalog

CVE-2025-55126

MEDIUM

6.5

CVSS v3

NVD

Description

HackerOne community member Dang Hung Vi (vidang04) has reported a stored XSS vulnerability involving the navigation box at the top of advertiser-related pages, with campaign names being the vector for the stored XSS

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

revive adserverNVD

Affected:>= 6.0.0, < 6.0.3Fixed in:6.0.3CVE-2025-55126derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Exploit Intelligence

0.18%probability of exploitation in 30 days

8thpercentile

Low risk: more likely to be exploited than 8% of all known CVEs.

References

Exploit1

hackerone.com

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-01-14.