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VulnerabilityPublished

CVE-2025-46198: Cross-site Scripting

Source CVE Database V5

0

Not known to be exploited · CVSS 8.8 High.

Data as of 26 Oct 2026, 12:55 UTC

CVSS 3.1 base score
8.8High
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.6% chance of exploitation in 30 days – higher than 52% 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:U/C:H/I:H/A:H

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 25 Jul 2025

  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

European organizations should immediately assess their Grav CMS installations to determine if they are running affected versions (1.7.46, 1.7.47, or 1.7.48). Until an official patch is released, organizations should implement the following mitigations: 1) Employ Web Application Firewalls (WAFs) with rules to detect and block malicious payloads targeting the onerror attribute or suspicious script injections in image tags. 2) Sanitize and validate all user inputs rigorously, especially those that can be reflected in HTML attributes, using server-side input validation libraries or custom filters. 3) Implement Content Security Policy (CSP) headers to restrict the execution of inline scripts and reduce the impact of XSS attacks. 4) Monitor web server logs and application behavior for unusual requests or error events that could indicate exploitation attempts. 5) Educate developers and administrators about secure coding practices to prevent similar vulnerabilities in future releases. Once a vendor patch is available, prioritize testing and deploying it promptly. Additionally, consider isolating or restricting access to vulnerable Grav instances until remediation is complete.

Description

Cross Site Scripting vulnerability in grav v.1.7.48, v.1.7.47 and v.1.7.46 allows an attacker to execute arbitrary code via the onerror attribute of the img element

References

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