CVE-2025-9103VulnerabilityPublished 18 Aug 2025

CVE-2025-9103: ZenCart · Cross Site Scripting

Affects ZenCartSource CVE Database V5

Not known to be exploited · CVSS 4.8 Medium.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 4.0 base score

4.8Medium

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

EPSS: 0.2% chance of exploitation in 30 days – higher than 20% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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: High
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: High: The attacker requires privileges that provide significant (e.g., administrative) control over the vulnerable system allowing full access to the vulnerable system’s settings and files.
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 18 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 2026-10-26.

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
ZenCart	Affected =2.1.0	Fixed in–

AI-suggested

1. Restrict administrative access strictly to trusted personnel and enforce strong authentication mechanisms such as multi-factor authentication (MFA) for all administrator accounts. 2. Monitor and audit administrative activities within ZenCart, focusing on CKEditor usage and script injection attempts to detect anomalous behavior early. 3. Limit the use of CKEditor or disable potentially vulnerable functionalities if they are not essential to business operations. 4. Implement Content Security Policy (CSP) headers to reduce the impact of potential XSS by restricting the sources of executable scripts in the administrative interface. 5. Regularly review and update user privileges to ensure that only necessary users have high-level access. 6. Stay informed about vendor updates or patches addressing this issue and apply them promptly once available. 7. Consider isolating the administrative interface from the public network using VPNs or IP whitelisting to reduce exposure. 8. Conduct internal security awareness training to highlight the risks of insider threats and the importance of secure handling of administrative credentials.

Description

A vulnerability was detected in ZenCart 2.1.0. Affected by this vulnerability is an unknown functionality of the component CKEditor. The manipulation leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. The vendor declares this as "intended behavior, allowed for authorized administrators".

Impact

For European organizations using ZenCart 2.1.0, this vulnerability poses a moderate risk primarily in environments where multiple administrators or privileged users have access to the CKEditor component. The potential impact includes the execution of malicious scripts in the context of the administrative interface, which could lead to unauthorized actions, data manipulation, or session hijacking within the backend system. While the vulnerability does not directly affect customers or public-facing users, compromise of administrative accounts could lead to broader security breaches, including unauthorized changes to product listings, pricing, or customer data. Given the e-commerce nature of ZenCart, such breaches could result in financial losses, reputational damage, and regulatory compliance issues under GDPR if customer data integrity or confidentiality is impacted. However, since exploitation requires high privileges and user interaction, the threat is more relevant to insider threats or attackers who have already gained administrative access through other means. The lack of known exploits in the wild and the vendor's stance reduce the immediate urgency but do not eliminate the risk, especially for organizations with less stringent internal controls or monitoring of administrative activities.

References

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