VulnerabilityPublished 16 Jan 2025Updated 28 Apr 2026

CVE-2025-23455: Master Software Solutions WP VTiger Synchronization · Cross-Site Request Forgery (CSRF)

Affects Master Software Solutions WP VTiger SynchronizationSource CVE Database V5

Not known to be exploited · CVSS 7.1 High.

Data as of 26 Oct 2026, 09:08 UTC

CVSS 3.1 base score

7.1High

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

EPSS: 0.2% chance of exploitation in 30 days – higher than 11% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

Attack Vector: Network
Attack Complexity: Low
Privileges Required: None
User Interaction: Required
Scope: Changed
Confidentiality: Low
Integrity: Low
Availability: Low

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

Attack Vector: Network: The vulnerable component is bound to the network stack and the set of possible attackers extends beyond the other options listed, 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: Specialized access conditions or extenuating circumstances do not exist. An attacker can expect repeatable success against the vulnerable component.
Privileges Required: None: The attacker is unauthorized prior to attack, and therefore does not require any access to settings or files to carry out an attack.
User Interaction: Required: Successful exploitation of this vulnerability requires a user to take some action before the vulnerability can be exploited.
Scope: Changed: An exploited vulnerability can affect resources beyond the security scope managed by the security authority of the vulnerable component. In this case, the vulnerable component and the impacted component are different and managed by different security authorities.
Confidentiality: Low: There is some loss of confidentiality. Access to some restricted information is obtained, but the attacker does not have control over what information is obtained, or the amount or kind of loss is limited. The information disclosure does not cause a direct, serious loss to the impacted component.
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 on the impacted component.
Availability: Low: Performance is reduced or there are interruptions in resource availability. Even if repeated exploitation of the vulnerability is possible, the attacker does not have the ability to completely deny service to legitimate users. The resources in the impacted component are either partially available all of the time, or fully available only some of the time, but overall there is no direct, serious consequence to the impacted component.

Definitions: FIRST CVSS v3.1 specification.

Exploitation evidence

Disclosed: evidence found.
CVE published 16 Jan 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 26 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.
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
Master Software Solutions WP VTiger Synchronization	Affected =0	Fixed in–

AI-suggested

Until an official fix is available, users should consider disabling or limiting use of the affected plugin and apply standard CSRF mitigations if possible. Monitor vendor channels for updates and apply patches promptly once released.

Description

Cross-Site Request Forgery (CSRF) vulnerability in Master Software Solutions WP VTiger Synchronization msstiger allows Stored XSS.This issue affects WP VTiger Synchronization: from n/a through <= 1.1.1.

Impact

Successful exploitation could allow an attacker to execute stored XSS attacks via CSRF, potentially leading to unauthorized actions performed in the context of an authenticated user. This may result in partial compromise of user data confidentiality, integrity, and availability. However, no known exploits are reported in the wild, and the exact impact depends on the victim's interaction.

Summary

This vulnerability in WP VTiger Synchronization (<= 1.1.1) arises from insufficient protection against CSRF attacks, enabling an attacker to execute stored XSS payloads by tricking authenticated users into submitting crafted requests. The CVSS 3.1 vector indicates the attack can be performed remotely over the network with low attack complexity and no privileges required, but user interaction is necessary. The vulnerability impacts confidentiality, integrity, and availability at a low level each.

References

patchstack.com/database/Wordpress/Plugin/msstiger/vulnerability/wordpress-wp-vtiger-synchronization-plugin-1-1-1-csrf-to-stored-xss-vulnerability?_s_id=cve (opens in a new tab)

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