HOMEVULNERABILITIESCVE-2026-4508
HIGH

CVE-2026-4508

CWE-74Published: March 20, 2026· Updated: Mar 23, 2026

7.3
CVSS v3.1
EPSS:0.03%probability of exploitation in 30 daysPercentile:7.7th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-4508 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityLow
AvailabilityLow
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected Vendors & Products

Mentioned vendors (from description):
PHP
CPE data not yet available in NVD for this CVE.

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

All References (4)

Quick Facts

CVE IDCVE-2026-4508
CVSS Score7.3 / 10
SeverityHIGH
WeaknessCWE-74
CISA KEVNo
EPSS (30d)0.03%
PublishedMar 20, 2026

Related CVEs (CWE-74)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-4508 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.