CVE-2018-15583

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-03-25 · updated 2026-06-17
Weakness: CWE-79

Description

Cross-Site Scripting (XSS) vulnerability in point_list.php in GNUBOARD5 before 5.3.1.6 allows remote attackers to inject arbitrary web script or HTML via the popup title parameter.

Affected products

gnuboard5: before 5.3.1.6 — fixed in 5.3.1.6

How to fix

Upgrade to a fixed version: gnuboard5 5.3.1.6. Check the vendor advisory for mitigations.

References

https://github.com/gnuboard/gnuboard5/commit/b1fc952c7600b825c4b02e2789ddafdea18c8d13#diff-6e31fc60ba119c0f830f8a22fe1925dc
https://github.com/gnuboard/gnuboard5/commits/master?after=831219e2c233b2d721a049b7aeb054936d000dc2+69
https://github.com/gnuboard/gnuboard5/commit/b1fc952c7600b825c4b02e2789ddafdea18c8d13#diff-6e31fc60ba119c0f830f8a22fe1925dc
https://github.com/gnuboard/gnuboard5/commits/master?after=831219e2c233b2d721a049b7aeb054936d000dc2+69

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