phpIPAM index.php cross site scripting

published 2026-10-24 15 d ago modified 2026-10-26 13 d ago also EUVD-2026-109318

cvss: 2.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 16%
public exploits: 0; none known

A security vulnerability has been detected in phpIPAM up to 1.8.3. Affected by this vulnerability is an unknown functionality of the file upgrade/index.php. Such manipulation of the argument REQUEST_URI leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 13 d ago (2026-10-26)

Exploit prediction

0.25% chance of exploitation in the next 30 days, higher than 16% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

gist.github.com https://gist.github.com/KHr00t/f9351510717a5dac4797920fe532fe1e referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	4.8	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
CNA	3.1	2.4	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:C
CNA	3.0	2.4	CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N/E:P/RL:X/RC:C
CNA	2.0	3.3	AV:N/AC:L/Au:M/C:N/I:P/A:N/E:POC/RL:ND/RC:C
CNA	4.0	1.9	CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA	3.1	2.4	CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N
CNA	2.0	3.3	AV:N/AC:L/Au:M/C:N/I:P/A:N

Affected products

n/a phpIPAM

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation
CWE-94 Improper Control of Generation of Code

References

gist.github.com /KHr00t/f9351510717a5dac4797920fe532fe1e
exploit
vuldb.com /vuln/426075
vdb-entry, technical-description
vuldb.com /vuln/426075/cti
signature, permissions-required
vuldb.com /cve/CVE-2026-115981
third-party-advisory
vuldb.com /submit/983034
third-party-advisory

Sources

CVE List CVE-2026-115981
NVD CVE-2026-115981

Fencer Vulns 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.

Summary