CVE-2025-12280VulnerabilityPublished 27 Oct 2025

CVE-2025-12280: code-projects Client Details System · Cross Site Scripting

Affects code-projects Client Details SystemSource CVE Database V5

Not known to be exploited · CVSS 4.8 Medium.

Data as of 25 Oct 2026, 19:02 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 16% 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 27 Oct 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
GitHubhellonewbie/tutorial`pkg:github/hellonewbie/tutorial`Other threats	Affected =1.0	Fixed in–

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AI-suggested

Organizations should immediately implement strict input validation and output encoding on the /update-clients.php endpoint to prevent script injection. Employ Content Security Policy (CSP) headers to restrict the execution of unauthorized scripts in browsers. Restrict access to the vulnerable endpoint through network segmentation or web application firewalls (WAFs) with rules targeting typical XSS payloads. Monitor logs for suspicious activity related to /update-clients.php and user reports of unusual behavior. Educate users about the risks of clicking unexpected links or interacting with untrusted content. If possible, upgrade to a patched version once available or consider replacing the affected system with a more secure alternative. Regularly review and update security configurations and conduct penetration testing focused on XSS vulnerabilities.

Description

CVE-2025-12280 is a medium severity cross-site scripting (XSS) vulnerability found in version 1.0 of the code-projects Client Details System, specifically in the /update-clients.php endpoint. The flaw allows remote attackers to inject malicious scripts without requiring authentication, but user interaction is needed to trigger the attack. Exploitation could lead to limited integrity impact and no direct confidentiality or availability loss. Although no public exploits are currently observed in the wild, the exploit code has been made public. The vulnerability affects only version 1.0 of this niche product, limiting its scope. European organizations using this system should prioritize patching or applying input validation controls to mitigate risks. Countries with higher adoption of this software or targeted sectors using it are more likely to be impacted.

Impact

For European organizations using the code-projects Client Details System 1.0, this vulnerability poses a risk of client-side script injection leading to session hijacking, phishing, or defacement attacks. While the direct impact on confidentiality and availability is minimal, the integrity of user interactions and data could be compromised. This can result in loss of user trust, potential unauthorized actions performed on behalf of users, and reputational damage. Sectors relying on this system for client management, especially those handling sensitive customer data, may face increased risk. The remote exploitability without authentication increases the attack surface, particularly if the system is exposed to the internet. However, the requirement for user interaction limits automated exploitation. The lack of patches means organizations must rely on compensating controls until an official fix is available.

Summary

CVE-2025-12280 is a cross-site scripting (XSS) vulnerability identified in the code-projects Client Details System version 1.0. The vulnerability resides in the processing logic of the /update-clients.php file, where insufficient input sanitization allows attackers to inject malicious scripts. This flaw can be exploited remotely without authentication, though it requires user interaction to execute the injected script in a victim's browser. The vulnerability's CVSS 4.0 vector indicates network attack vector (AV:N), low attack complexity (AC:L), no privileges required (PR:H but likely a typo or misclassification, as the description states no authentication), and user interaction required (UI:P). The impact on confidentiality and availability is none, with limited integrity impact, suggesting that the primary risk is session hijacking, defacement, or phishing via script injection. No patches or official fixes have been published yet, and no known exploits are actively used in the wild, though exploit code is publicly available. The affected product is niche, limiting the overall exposure. However, organizations using this system should be aware of the risk of XSS attacks that could compromise user sessions or deliver malicious payloads through trusted interfaces.

References

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 3 Nov 2025, 14:20 UTC

Technical details

References

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