Skip to content
Fencer Intel
medium 6.1

CVE-2018-11568 json

Reflected XSS is possible in the GamePlan theme through 1.5.13.2 for WordPress because of insufficient input sanitization, as demonstrated…

published 8y ago modified 4mo ago also EUVD-2018-3594

cvss
6.1
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.0%
EPSS 1.0% chance of exploitation in 30 days, percentile 63%
public exploits
0
none known

Summary

Reflected XSS is possible in the GamePlan theme through 1.5.13.2 for WordPress because of insufficient input sanitization, as demonstrated by the s parameter. In some (but not all) cases, the '<' and '>' characters have &lt; and &gt; representations.

Is CVE-2018-11568 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

1.03% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • packetstormsecurity.com https://packetstormsecurity.com/files/143666/WordPress-GamePlan-Event-And-Gym-Fitness-Theme-1.5.13.2-Cross-Site-Scripting.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 6.1 CVSS:3.0/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
Technology feeds

References

Sources

Fencer Intel 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.