How severe is CVE-2025-55124?

CVE-2025-55124 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-55124 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-55124?

CVE-2025-55124 affects Revive-adserver Revive Adserver. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-55124?

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

Does CVE-2025-55124 have an EU (EUVD) identifier?

Yes. CVE-2025-55124 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198347.

When was CVE-2025-55124 published?

CVE-2025-55124 was published on 2025-11-20 and last updated on 2026-06-17.

CVE-2025-55124

CVE-2025-55124 is a medium-severity vulnerability in Revive-adserver Revive Adserver with a CVSS 3.x base score of 6.1. 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 6.1)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-198347
Weakness: CWE-79
Affected product: Revive-adserver Revive Adserver
Published: 2025-11-20
Last modified: 2026-06-17

Description

Improper neutralisation of input in Revive Adserver 6.0.0+ causes a reflected XSS attack in the banner-zone.php script.

Frequently asked questions

What is CVE-2025-55124?: Improper neutralisation of input in Revive Adserver 6.0.0+ causes a reflected XSS attack in the banner-zone.php script.
How severe is CVE-2025-55124?: CVE-2025-55124 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-55124 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-55124?: CVE-2025-55124 affects Revive-adserver Revive Adserver. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-55124?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-55124 have an EU (EUVD) identifier?: Yes. CVE-2025-55124 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-198347.
When was CVE-2025-55124 published?: CVE-2025-55124 was published on 2025-11-20 and last updated on 2026-06-17.

References

https://hackerone.com/reports/3403727

Affected products (1)

cpe:2.3:a:revive-adserver:revive_adserver:*:*:*:*:*:*:*:*

More vulnerabilities in Revive-adserver Revive Adserver

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CVE-2016-9124 — Critical (CVSS 9.8): Revive Adserver before 3.2.3 suffers from Improper Restriction of Excessive Authentication Attempts. The login page of…
CVE-2017-5830 — Critical (CVSS 9.8): Revive Adserver before 4.0.1 allows remote attackers to execute arbitrary code via serialized data in the cookies…
CVE-2016-9470 — Critical (CVSS 9.0): Revive Adserver before 3.2.5 and 4.0.0 suffers from Reflected File Download. `www/delivery/asyncspc.php` was vulnerable…
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