CVE-2018-18668
mediumpriority · track · 25EPSS 0.014 · 73 %ileEUUSgrimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
1.44% (73rd) EPSS
CVSS 4.3 · medium
Who says so?
3 sources
cnnvd · enisa_euvd · nvd
EPSS · scored 2026-10-28
GNUBOARD5 before 5.3.2.0 has XSS that allows remote attackers to inject arbitrary web script or HTML via the "homepage title" parameter, aka the adm/config_form_update.php cf_title parameter.
01
cvss
Technical severity, 0–10. One row per scoring source.
6.1
010
base score 0–10 · higher = more severe · hover a vector to decode
v3.06.1mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7
02
weaknesses
The CWE weakness classes this flaw belongs to.
03
affected products (2)
Products and version ranges known to be affected.
04
also known as (3)
Other names and identifiers for this entity.
05
sources
Which sources assert this record, and when.
07
references (10)
External citations — patches, advisories, analysis.
- https://github.com/gnuboard/gnuboard5/commit/a45241f4bc46aee1ab2cc0749f6444b043681edf#diff-53f7f220c2d2861a98444adf09471496cnnvd
- https://github.com/gnuboard/gnuboard5/compare/15b2e73...2549172cnnvd
- https://github.com/gnuboard/gnuboard5/releases/tag/5.3.2.0cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2018-18668cnnvd
- https://github.com/gnuboard/gnuboard5/commit/a45241f4bc46aee1ab2cc0749f6444b043681edf#diff-53f7f220c2d2861a98444adf09471496enisa_euvd
- https://github.com/gnuboard/gnuboard5/compare/15b2e73...2549172enisa_euvd
- https://github.com/gnuboard/gnuboard5/releases/tag/5.3.2.0enisa_euvd
- https://github.com/gnuboard/gnuboard5/commit/a45241f4bc46aee1ab2cc0749f6444b043681edf#diff-53f7f220c2d2861a98444adf09471496Patchnvd
scry
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan