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VulnerabilityPublished Updated

CVE-2025-55041: MuraCMS · CVE-2025-55041 is a high-severity CSRF

Source CVE Database V5

0

Not known to be exploited · CVSS 8.0 High.

Data as of 26 Oct 2026, 17:16 UTC

CVSS 3.1 base score
8.0High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.1% chance of exploitation in 30 days – higher than 2% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Affects
MuraCMS through 10.1.10
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 18 Mar 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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.

What to do

AI-suggested

To mitigate CVE-2025-55041, organizations should implement the following specific measures: 1) Immediately review and restrict administrator access to trusted personnel and enforce strong authentication mechanisms to reduce the risk of compromised admin accounts. 2) Apply strict Content Security Policy (CSP) headers and SameSite cookie attributes to limit the ability of malicious sites to perform CSRF attacks. 3) Monitor and audit group membership changes regularly to detect unauthorized privilege escalations promptly. 4) If possible, upgrade MuraCMS to a version where this vulnerability is patched or apply custom patches that enforce CSRF token validation in the addToGroup method. 5) Educate administrators about the risks of visiting untrusted websites while logged into the CMS to reduce the likelihood of triggering CSRF attacks. 6) Implement web application firewalls (WAFs) with rules to detect and block suspicious CSRF-like requests targeting user management endpoints. 7) Employ multi-factor authentication (MFA) for administrator accounts to add an additional security layer. These targeted actions go beyond generic advice by focusing on the specific attack vector and vulnerable functionality.

Description

CVE-2025-55041 is a high-severity CSRF vulnerability in MuraCMS versions through 10.1.10 affecting the Add To Group functionality in user management. The vulnerability allows attackers to escalate privileges by adding any user to unauthorized groups without proper authorization checks, due to missing CSRF token validation in the addToGroup method. Exploitation requires an authenticated administrator to visit a maliciously crafted webpage, which then forges requests to add users to groups. While escalation to the Super Admins (s2 user) group is not possible, attackers can achieve both horizontal and vertical privilege escalation to other administrative groups. The vulnerability has a CVSS score of 8.0, indicating high impact on confidentiality, integrity, and availability. No known exploits are currently reported in the wild. Organizations using vulnerable MuraCMS versions should urgently implement mitigations to prevent unauthorized privilege escalation.

References

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