Medium severity · published Apr 13, 2026
CVE-2026-30812
Stored Cross-Site Scripting in Event Comments via Filter Bypass
5.4
CVSS
0.2%
EPSS
No
On KEV
Description
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
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 7% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PF
Pandora FMS · Pandora FMS
777 through 800 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-30812
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-30812
Vendor Advisory
https://pandorafms.com/en/security/common-vulnerabilities-and-exposures/
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