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Vulnerabilities

Vulnerability · CVE-2025-70842

A Stored Cross-Site Scripting (XSS) vulnerability was discovered in the File Management module of FluentCMS 1.2.3.

Published May 12, 2026 · catalog updated Jun 17, 2026 · A Stored Cross-Site Scripting

Check if you run it

No confirmed exploitation is on record for CVE-2025-70842. EPSS is 0.14%. Act only if a listed version of A Stored Cross-Site Scripting is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (A Stored Cross-Site Scripting).
  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.14%
Remediation
Not established
Affected products
See sources for product scope

A Stored Cross-Site Scripting (XSS) vulnerability was discovered in the File Management module of FluentCMS 1.2.3. The flaw allows an authenticated administrator to upload crafted SVG files containing malicious JavaScript code. Once uploaded, the script executes in the browser of any user who accesses the direct URL of the image, including unauthenticated visitors.

No affected version ranges are stored yet. Use the vendor advisory before you decide this record does not apply.

How to fix CVE-2025-70842

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-70842. EPSS is 0.14%. Act only if a listed version of A Stored Cross-Site Scripting is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-79: Cross-site Scripting (XSS). EPSS 0.14%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. May 12, 2026 · NIST NVD

    Detected

    A Stored Cross-Site Scripting (XSS) vulnerability was discovered in the File Management module of FluentCMS 1.2.3. The flaw allows an authenticated administrator to upload crafted SVG files containing malicious JavaScript code. Once uploaded, the script executes in the browser of any user who accesses the direct URL of the image, including unauthenticated visitors.

  2. Jun 17, 2026 · NIST NVD

    Updated

    A Stored Cross-Site Scripting (XSS) vulnerability was discovered in the File Management module of FluentCMS 1.2.3. The flaw allows an authenticated administrator to upload crafted SVG files containing malicious JavaScript code. Once uploaded, the script executes in the browser of any user who accesses the direct URL of the image, including unauthenticated visitors.

Sources

  • CVE.orgVulnerability recordCVE-2025-70842

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-70842

    30-day exploitation probability 0.1%

    first.org
  • NIST NVDVulnerability recordCVE-2025-70842

    A Stored Cross-Site Scripting (XSS) vulnerability was discovered in the File Management module of FluentCMS 1.2.3. The flaw allows an authenticated administrator to upload crafted SVG files containing malicious JavaScript code. Once uploaded, the script executes in the browser of

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.