CVE-2026-30812 PUBLISHED

Stored Cross-Site Scripting in Event Comments via Filter Bypass

Assigner: PandoraFMS
Reserved: 05.03.2026 Published: 13.04.2026 Updated: 13.04.2026

Improper Neutralization of Input During Web Page Generation vulnerability allows Stored Cross-Site Scripting via event comments. This issue affects Pandora FMS: from 777 through 800

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/S:N/AU:N/R:A/V:D/RE:L/U:Amber
CVSS Score: 2.1

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	Low	Integrity	None
Attack Requirements	Present	Availability	None	Availability	None
Privileges Required	Low
User Interaction	Passive

CVSS 4.0

Product Status

Vendor	Pandora FMS
Product	Pandora FMS
Versions	Default: unaffected affected from 777 to 800 (incl.)

Solutions

Fixed in v800.1 and v801 Pandora FMS versions

Credits

Pedro J. Núñez-Cacho Fuentes <tunelko@gmail.com> finder

References

https://pandorafms.com/en/security/common-vulnerabilities-and-exposures/

Problem Types

CWE-79 Improper neutralization of input during web page generation ('cross-site scripting') CWE

Impacts

CAPEC-592 Stored XSS