CapsAdmin PAC3 http.lua cross site scripting

published 2023-01-08 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-52141

cvss: 4.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.6%; EPSS 0.6% chance of exploitation in 30 days, percentile 49%
public exploits: 0; none known

A vulnerability was found in CapsAdmin PAC3. It has been rated as problematic. Affected by this issue is some unknown functionality of the file lua/pac3/core/shared/http.lua. The manipulation of the argument url leads to cross site scripting. The attack may be launched remotely. The patch is identified as 8fc9e12dfa21d757be6eb4194c763e848b299ac0. It is recommended to apply a patch to fix this issue. VDB-217646 is the identifier assigned to this vulnerability.

Patch / fix

fixed in 1 links 2

pac3_project pac3 2022-07-13

github.com/CapsAdmin/pac3@8fc9e12 commit
github.com/CapsAdmin/pac3#1210 pull request

Exploit prediction

0.60% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	4.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CNA	3.0	4.3	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
CNA	2.0	5.0	AV:N/AC:L/Au:N/C:N/I:P/A:N
NVD	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

CapsAdmin PAC3

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

github.com /CapsAdmin/pac3/pull/1210
issue-tracking, patch
github.com /CapsAdmin/pac3/commit/8fc9e12dfa21d757be6eb4194c763e848b299ac0
patch
vuldb.com /?id.217646
vdb-entry, technical-description, permissions-required
vuldb.com /?ctiid.217646
signature, permissions-required

Sources

CVE List CVE-2022-4881
NVD CVE-2022-4881

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