How severe is CVE-2025-27208?

CVE-2025-27208 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-2025-27208 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-27208?

CVE-2025-27208 primarily affects Revive-adserver Revive Adserver. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-27208?

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

Does CVE-2025-27208 have an EU (EUVD) identifier?

Yes. CVE-2025-27208 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37231.

When was CVE-2025-27208 published?

CVE-2025-27208 was published on 2025-10-31 and last updated on 2026-06-17.

CVE-2025-27208

CVE-2025-27208 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: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-37231
Weakness: CWE-79
Affected product: Revive-adserver Revive Adserver
Published: 2025-10-31
Last modified: 2026-06-17

Description

A reflected Cross-Site Scripting (XSS) vulnerability has been identified in Revive Adserver version 5.5.2. An attacker could trick a user with access to the user interface of a Revive Adserver instance into clicking on a specifically crafted URL and execute injected JavaScript code in the context of the victim's browser. The session cookie cannot be accessed, but a number of other operations could be performed. The vulnerability is present in the admin-search.php file and can be exploited via the compact parameter.

Frequently asked questions

What is CVE-2025-27208?: A reflected Cross-Site Scripting (XSS) vulnerability has been identified in Revive Adserver version 5.5.2. An attacker could trick a user with access to the user interface of a Revive Adserver instance into clicking on a specifically crafted URL and execute injected JavaScript code in the context of the victim's browser. The session cookie cannot be accessed, but a number of other operations could be performed. The vulnerability is present in the admin-search.php file and can be exploited via the compact parameter.
How severe is CVE-2025-27208?: CVE-2025-27208 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-2025-27208 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-27208?: CVE-2025-27208 primarily affects Revive-adserver Revive Adserver. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-27208?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-27208 have an EU (EUVD) identifier?: Yes. CVE-2025-27208 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-37231.
When was CVE-2025-27208 published?: CVE-2025-27208 was published on 2025-10-31 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:revive-adserver:revive_adserver:*:*:*:*:*:*:*:*
cpe:2.3:a:revive-adserver:revive_adserver:6.0.0:rc1:*:*:*:*:*:*

More vulnerabilities in Revive-adserver Revive Adserver

CVE-2016-9125 — Critical (CVSS 9.8): Revive Adserver before 3.2.3 suffers from session fixation, by allowing arbitrary session identifiers to be forced and,…
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…
CVE-2026-50741 — High (CVSS 8.8): Bypass to the fix for CVE-2026-34916. Variants of such vectors have been also reported by phucrio and offsetmd. The fix…
CVE-2025-48986 — High (CVSS 8.8): Authorization bypass in Revive Adserver 5.5.2 and 6.0.1 and earlier versions causes an logged in attacker to change…

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