VulnerabilityPublished 22 Feb 2026Updated 27 Feb 2026

CVE-2026-2932: YiFang CMS · Cross-site Scripting

Affects YiFang CMSSource CVE Database V5

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Public exploit available · CVSS 4.8 Medium.

Data as of 29 Oct 2026, 19:04 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 17% 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 22 Feb 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: evidence found.
CVSS exploit maturity: proof of concept public
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), CVSS vector, the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.

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.
Weaponized: A Metasploit exploit module or Exploit-DB entry exists (Metasploit scanner modules do not count), or CISA SSVC or the CVSS exploit maturity 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
YiFangCMS	Affected 2.0.0 – 2.0.5 6 affected builds	Fixed in–

AI-suggested

Apply official patches or updates from YiFang CMS as soon as they become available to address the vulnerability in the Extended Management Module.
In the absence of patches, implement strict input validation and output encoding on the 'name' and 'index' parameters within the update function to neutralize malicious script injection.
Restrict administrative access to trusted IP addresses or VPNs to reduce exposure to remote exploitation.
Enforce multi-factor authentication (MFA) for all administrative users to mitigate the risk of credential compromise.
Educate administrators about phishing and social engineering risks to reduce the chance of user interaction leading to exploitation.
Monitor web server and application logs for suspicious requests targeting the vulnerable parameters, and deploy web application firewalls (WAFs) with custom rules to detect and block XSS payloads.
Conduct regular security assessments and penetration tests focusing on web application vulnerabilities, especially in administrative modules.
Backup CMS data and configurations regularly to enable rapid recovery in case of compromise.
Limit the number of users with administrative privileges and review permissions periodically to minimize attack surface.

Description

A security flaw has been discovered in YiFang CMS up to 2.0.5. The impacted element is the function update of the file app/db/admin/D_adPosition.php of the component Extended Management Module. Performing a manipulation of the argument name/index results in cross site scripting. The attack is possible to be carried out remotely. The exploit has been released to the public and may be used for attacks.

Impact

The primary impact of CVE-2026-2932 is the potential for attackers to execute arbitrary JavaScript code within the administrative interface of YiFang CMS. This can lead to session hijacking, theft of administrative credentials, unauthorized actions performed with admin privileges, and potential defacement or injection of malicious content into the CMS-managed website. While the vulnerability does not directly affect system availability or cause data loss, the compromise of administrative accounts can lead to significant downstream impacts including persistent backdoors, data manipulation, or pivoting to other internal systems. Organizations relying on YiFang CMS for critical web presence or internal content management may face reputational damage, data breaches, and operational disruptions if exploited. The requirement for authentication and user interaction limits the ease of exploitation but does not eliminate risk, especially in environments with multiple administrators or where phishing/social engineering can be used to induce interaction. The public availability of exploit code increases the likelihood of opportunistic attacks. Overall, the vulnerability poses a moderate risk to organizations using affected versions of YiFang CMS, particularly those with high-value web assets or sensitive administrative data.

Summary

CVE-2026-2932 is a cross-site scripting vulnerability identified in the YiFang CMS product, specifically affecting versions 2.0.0 through 2.0.5. The vulnerability resides in the update function of the file app/db/admin/D_adPosition.php, part of the Extended Management Module. The issue arises when the 'name' or 'index' parameters are not properly sanitized, allowing an attacker to inject malicious JavaScript code. This flaw can be exploited remotely by an authenticated user who interacts with the vulnerable function, potentially through crafted HTTP requests that manipulate these parameters. The vulnerability does not require elevated privileges beyond authentication but does require user interaction, such as clicking a link or submitting a form. The CVSS 4.0 base score is 4.8, reflecting a medium severity level due to the need for authentication and user interaction, limited impact on confidentiality and integrity, and no impact on availability. While no known exploits are currently active in the wild, proof-of-concept exploit code has been publicly released, increasing the risk of exploitation. Successful exploitation could allow attackers to execute arbitrary scripts in the context of an administrative user, enabling session hijacking, defacement, or further compromise of the CMS environment. The vulnerability highlights the importance of input validation and output encoding in web applications, especially in administrative modules. No official patches or updates have been linked yet, so organizations must monitor vendor advisories and consider interim mitigations.

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Exploitation evidence

What to do

Affected software

Description

AI analysisMachine-generated, updated 1 Mar 2026, 22:55 UTC

Technical details

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