CVE-2025-9433VulnerabilityPublished 26 Aug 2025

CVE-2025-9433: mtons mblog · Cross Site Scripting

Affects mtons mblogSource CVE Database V5

Not known to be exploited · CVSS 5.3 Medium.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 4.0 base score

5.3Medium

How severe the flaw is on the 0–10 CVSS scale.

EPSS: 0.4% chance of exploitation in 30 days – higher than 35% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P

Base metrics

Attack Vector: Network
Attack Complexity: Low
Attack Requirements: None
Privileges Required: None
User Interaction: Passive
Vulnerable system confidentiality: None
Vulnerable system integrity: Low
Vulnerable system availability: None
Subsequent system confidentiality: None
Subsequent system integrity: None
Subsequent system availability: None

Threat metrics

Exploit Maturity: POC

Bold values are the worst case: easiest to exploit or largest impact.

Attack Vector: Network: The vulnerable system is bound to the network stack and the set of possible attackers extends beyond the other options listed below, up to and including the entire Internet. Such a vulnerability is often termed “remotely exploitable” and can be thought of as an attack being exploitable at the protocol level one or more network hops away (e.g., across one or more routers).
Attack Complexity: Low: The attacker must take no measurable action to exploit the vulnerability. The attack requires no target-specific circumvention to exploit the vulnerability. An attacker can expect repeatable success against the vulnerable system.
Attack Requirements: None: The successful attack does not depend on the deployment and execution conditions of the vulnerable system. The attacker can expect to be able to reach the vulnerability and execute the exploit under all or most instances of the vulnerability.
Privileges Required: None: The attacker is unauthorized prior to attack, and therefore does not require any access to settings or files of the vulnerable system to carry out an attack.
User Interaction: Passive: Successful exploitation of this vulnerability requires limited interaction by the targeted user with the vulnerable system and the attacker’s payload. These interactions would be considered involuntary and do not require that the user actively subvert protections built into the vulnerable system.
Vulnerable system confidentiality: None: There is no loss of confidentiality within the Vulnerable System.
Vulnerable system integrity: Low: Modification of data is possible, but the attacker does not have control over the consequence of a modification, or the amount of modification is limited. The data modification does not have a direct, serious impact to the Vulnerable System.
Vulnerable system availability: None: There is no impact to availability within the Vulnerable System.
Subsequent system confidentiality: None: There is no loss of confidentiality within the Subsequent System or all confidentiality impact is constrained to the Vulnerable System.
Subsequent system integrity: None: There is no loss of integrity within the Subsequent System or all integrity impact is constrained to the Vulnerable System.
Subsequent system availability: None: There is no impact to availability within the Subsequent System or all availability impact is constrained to the Vulnerable System.
Exploit Maturity: POC: Based on threat intelligence sources each of the following must apply: · Proof-of-concept is publicly available · No knowledge of reported attempts to exploit this vulnerability · No knowledge of publicly available solutions used to simplify attempts to exploit the vulnerability

Definitions: FIRST CVSS v4.0 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 26 Aug 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

Disclosed: The CVE record is public on cve.org. Its publication is t = 0.
Detectable: A public nuclei template can find exposed instances, for defenders and attackers alike.
Weaponised: Public exploit code exists in Metasploit or Exploit-DB, or CISA SSVC reports a public proof of concept.
Exploited in the wild: CISA KEV lists it, CISA SSVC rates exploitation active, or a source reports attacks.
Observed by OffSeq Mirage: OffSeq Mirage honeypot sensors recorded attack traffic for this CVE, or found exposed hosts without attack traffic.

Moments are spaced evenly, not to scale; a dashed line marks a gap of six months or more. Deltas count from t = 0. Sources that give only a date (CISA KEV, Exploit-DB, or a time of exactly 00:00Z) read “same day” rather than hours. Metasploit modules carry the flaw’s disclosure date, not their release date, and nuclei templates carry no date, so both appear above but not on the timeline.

What to do

Affected software

Product	Affected	Fixed in
mtons mblog	Affected =3.0 =3.1 =3.2 =3.3 =3.4 =3.5.0	Fixed in–

AI-suggested

To mitigate CVE-2025-9433, organizations should prioritize upgrading mtons mblog to a version beyond 3.5.0 once a patch is released. In the interim, administrators should restrict access to the /admin/user/list interface using network-level controls such as IP whitelisting or VPN access to reduce exposure. Implementing Content Security Policy (CSP) headers can help limit the impact of injected scripts by restricting script execution sources. Web Application Firewalls (WAFs) configured to detect and block XSS payloads targeting the 'Name' parameter can provide additional protection. Administrators should be trained to recognize phishing attempts and avoid clicking on suspicious links that could trigger the XSS attack. Regular security audits and code reviews of customizations to the mblog platform can help identify similar injection points. Finally, monitoring admin panel access logs for unusual activity may help detect exploitation attempts early.

Description

A vulnerability was found in mtons mblog up to 3.5.0. The impacted element is an unknown function of the file /admin/user/list of the component Admin Panel. Performing manipulation of the argument Name results in cross site scripting. The attack may be initiated remotely. The exploit has been made public and could be used.

Impact

For European organizations using mtons mblog versions 3.0 to 3.5.0, this vulnerability poses a moderate risk. Since the flaw is in the administrative interface, compromise could lead to unauthorized actions within the admin panel if an attacker can trick an administrator into triggering the malicious script. This could result in session hijacking or privilege escalation attempts, potentially allowing attackers to manipulate blog content or user data. Organizations in sectors with high reliance on web content management, such as media, education, or government, may face reputational damage and data integrity issues. The risk is elevated in environments where administrators access the panel from less secure networks or where phishing defenses are weak. Although the vulnerability does not directly cause data breaches or system downtime, the indirect consequences of compromised admin accounts could be significant. European privacy regulations such as GDPR emphasize protecting user data integrity and preventing unauthorized access, so exploitation could also lead to compliance violations and associated penalties.

References

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 26 Aug 2025, 01:48 UTC

Technical details

References

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