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Vulnerabilities

Vulnerability · CVE-2026-29971

A reflected cross-site scripting (XSS) vulnerability exists in WebFileSys version before 2.32.0 and fixed in v.2.32.0.

Published Apr 27, 2026 · catalog updated Jun 17, 2026 · A reflected cross-site scripting

Check if you run it

No confirmed exploitation is on record for CVE-2026-29971. EPSS is 0.36%. Act only if a listed version of A reflected 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 reflected 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
Medium6.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.36%
Remediation
Not established
Affected products
See sources for product scope

A reflected cross-site scripting (XSS) vulnerability exists in WebFileSys version before 2.32.0 and fixed in v.2.32.0. User-controlled input is reflected into HTML and JavaScript contexts without proper output encoding, allowing arbitrary JavaScript execution in the victim's browser via the ftpBackup functionality, authentication input handling, search functionality, and error message rendering components

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

How to fix CVE-2026-29971

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-2026-29971. EPSS is 0.36%. Act only if a listed version of A reflected 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 0.36%. 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. Apr 27, 2026 · NIST NVD

    Detected

    A reflected cross-site scripting (XSS) vulnerability exists in WebFileSys version before 2.32.0 and fixed in v.2.32.0. User-controlled input is reflected into HTML and JavaScript contexts without proper output encoding, allowing arbitrary JavaScript execution in the victim's browser via the ftpBackup functionality, authentication input handling, search functionality, and error message rendering co

  2. Jun 17, 2026 · NIST NVD

    Updated

    A reflected cross-site scripting (XSS) vulnerability exists in WebFileSys version before 2.32.0 and fixed in v.2.32.0. User-controlled input is reflected into HTML and JavaScript contexts without proper output encoding, allowing arbitrary JavaScript execution in the victim's browser via the ftpBackup functionality, authentication input handling, search functionality, and error message rendering co

Sources

  • CVE.orgVulnerability recordCVE-2026-29971

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-29971

    30-day exploitation probability 0.4%

    first.org
  • NIST NVDVulnerability recordCVE-2026-29971

    A reflected cross-site scripting (XSS) vulnerability exists in WebFileSys version before 2.32.0 and fixed in v.2.32.0. User-controlled input is reflected into HTML and JavaScript contexts without proper output encoding, allowing arbitrary JavaScript execution in the victim's brow

    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.