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CVE-2025-6623

Stored Cross-Site Scripting via XML Input in Multiple WSO2 Products Allows UI Manipulation and Redirection

Medium4.3EPSS 0.27%
Published
Updated
Reserved
Assigned by
WSO2

Description

The carbon console accepts user-supplied XML input without sufficiently encoding potentially executable content, allowing for the injection of malicious scripts. Successful exploitation allows a remote attacker to execute arbitrary JavaScript in the context of a victim's browser, leading to actions such as redirecting the user to a malicious website or modifying the web page's user interface. Session hijacking is not possible as sensitive session cookies are protected by the httpOnly flag.

Scores

CVSS scores of CVE-2025-6623, by who scored it
Scored byCVSSScoreVector
WSO2CNA (assigner)3.1Medium4.3CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
NVDNVD · Awaiting Analysis3.1Medium4.3CVSS:3.1/AV:A/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
EPSS (exploitation in 30 days)
0.27% · top 82% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.

Weakness

Affected products

  • WSO2 · WSO2 API Manager

    • unknown < 3.2.0
    • affected 3.2.0 – < 3.2.0.433
    • affected 3.2.1 – < 3.2.1.53
    • affected 4.1.0 – < 4.1.0.215
    • affected 4.2.0 – < 4.2.0.153
    • affected 4.3.0 – < 4.3.0.66
    • affected 4.4.0 – < 4.4.0.29
    • affected 4.5.0 – < 4.5.0.11

  • WSO2 · WSO2 Universal Gateway

    • unknown < 4.5.0
    • affected 4.5.0 – < 4.5.0.11

  • WSO2 · WSO2 Traffic Manager

    • unknown < 4.5.0
    • affected 4.5.0 – < 4.5.0.11

  • WSO2 · WSO2 API Control Plane

    • unknown < 4.5.0
    • affected 4.5.0 – < 4.5.0.12

  • WSO2 · WSO2 Carbon Event Publisher UI

    • affected 5.2.26 – < 5.2.26.19
    • affected 5.2.41 – < 5.2.41.6
    • affected 5.2.57 – < 5.2.57.7
    • affected 5.3.5 – < 5.3.5.4
    • affected 5.3.11 – < 5.3.11.4
    • affected 5.3.15 – < 5.3.15.3
    • affected 5.3.20 – < 5.3.20.1

  • WSO2 · WSO2 Carbon Event Receiver UI

    • affected 5.2.26 – < 5.2.26.19
    • affected 5.2.41 – < 5.2.41.6
    • affected 5.2.57 – < 5.2.57.7
    • affected 5.3.5 – < 5.3.5.4
    • affected 5.3.11 – < 5.3.11.4
    • affected 5.3.15 – < 5.3.15.3
    • affected 5.3.20 – < 5.3.20.1

What to do

Solution: Follow the instructions given on https://security.docs.wso2.com/en/latest/security-announcements/security-advisories/2026/WSO2-2025-4316/#solution

References (2)

Sources

The same CVE in the primary databases and aggregators, to check against.

Badge for a README or a ticket

CVE-2025-6623 badge
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Record last updated .