CVE-2026-29971 json
A reflected cross-site scripting (XSS) vulnerability exists in WebFileSys version before 2.32.0 and fixed in v.2.32.0.
published 2026-04-27 6 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-25916
- cvss
- 6.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 22%
- public exploits
- 0
- none known
Summary
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
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 6 mo ago
Exploit prediction
0.30% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/Tharooon/CVE-2026-29971/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| CNA | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
Sources
- CVE List CVE-2026-29971
- NVD CVE-2026-29971
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.