PbootCMS Member Login MemberController.php checkUsername sql injection

published 2026-03-20 7 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-13931

cvss: 7.3; 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 19%
public exploits: 0; none known

A vulnerability was identified in PbootCMS up to 3.2.12. The impacted element is the function checkUsername of the file apps/home/controller/MemberController.php of the component Member Login. The manipulation of the argument Username leads to sql injection. The attack may be initiated remotely. The exploit is publicly available and might be used.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: yes
Technical impact: partial
Assessed: 7 mo ago (2026-03-24)

Exploit prediction

0.27% chance of exploitation in the next 30 days, higher than 19% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/zzj-create/cvetest/blob/main/VULN-01_MEMBER_LOGIN_SQLI_REPORT_EN.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	6.9	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CNA	3.1	7.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA	3.0	7.3	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
CNA	4.0	5.5	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/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	7.3	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
CNA	2.0	7.5	AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

n/a PbootCMS

Classification

Weakness

CWE-89 Improper Neutralization of Special Elements used in an SQL Command
CWE-74 Improper Neutralization of Special Elements in Output Used by a Downstream Component

References

github.com /zzj-create/cvetest/blob/main/VULN-01_MEMBER_LOGIN_SQLI_REPORT_EN.md
exploit
vuldb.com /?id.352074
vdb-entry, technical-description
vuldb.com /?ctiid.352074
signature, permissions-required
vuldb.com /?submit.773900
third-party-advisory

Sources

CVE List CVE-2026-4508
NVD CVE-2026-4508

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