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Fencer Vulns
medium 6.1

CVE-2017-6491 json

Multiple Cross-Site Scripting (XSS) issues were discovered in EPESI 1.8.1.1.

published 2017-03-05 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-15547

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 56%
public exploits
0
none known

Summary

Multiple Cross-Site Scripting (XSS) issues were discovered in EPESI 1.8.1.1. The vulnerabilities exist due to insufficient filtration of user-supplied data (tooltip_id, callback, args, cid) passed to the EPESI-master/modules/Utils/Tooltip/req.php URL. An attacker could execute arbitrary HTML and script code in a browser in the context of the vulnerable website.

Patch / fix

Exploit prediction

0.78% chance of exploitation in the next 30 days, higher than 56% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/Telaxus/EPESI/issues/168 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

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.