VulnSocial

CVE-2026-2557General(cskefu / cskefu)

LOWCVSS 5.4 · MEDIUM

Exploit discussion active in current signal (1 latest mentions)

Immediate actions

  • Hunt for exploitation attempts and persistence artifacts
  • Increase monitoring for publicly documented tradecraft
  • Track advisory updates for patch or workaround availability

Recommended action window: High priority (within 72h)

NVD description

A vulnerability was detected in cskefu up to 8.0.1. Impacted is the function Upload of the file com/cskefu/cc/controller/resource/MediaController.java of the component File Upload. The manipulation results in cross site scripting. The attack may be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

cskefu CVEsBack to dashboard
1.5/ 10 priority

Sources & remediation

Exploit / PoC references
Vendor / third-party advisories
Other references
Weakness type (CWE)
CWE-79CWE-94

Priority

LOW

Exploitation

NONE

PoC

YES

Patch

NONE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

  • cskefu

Threat summary

  • Public PoC is present in monitored signal
  • 2 mentions across 2 observed days
  • Momentum state: stable

What's happening

  • PoC mentioned or linked in 1 signal
  • Technical details provided in 1 signal
  • General: 1 classified signal
  • Disclosure: 1 classified signal
  • Peaked 1d ago at 1 mentions (2026-02-16); latest day: 1
  • 2 total mentions across 2 days

Affected systems

Vendors
cskefu
Products
cskefu

Deep dive

Activity timeline2 mentions / 2d
00111Mentions · 2026-02-16: 1Mentions · 2026-03-30: 1PoC Mentioned / Linked · 2026-03-30: 1Technical Details · 2026-03-30: 102-1603-30
Signal classification2 categories
General
150.0%
Disclosure
150.0%
Referenced assets2 URLs
Classification over time
DateTotalLabels
2026-02-161
General1
2026-03-301
Disclosure1
Full discourse2 posts
  • White Rabbitx@TheRabbitPy
    Disclosure

    CVE‑2026‑2557 in cskefu turns a file‑upload field into an XSS delivery channel: attackers can remotely inject scripts via Upload‑form manipulation, and the exploit is already public. https://avd.aquasec.com/nvd/2026/cve-2026-2557/

    Post summary

    CVE‑2026‑2557 permits attackers to inject scripts through a manipulated file‑upload form, turning the upload field into an XSS channel; the exploit code is publicly available, yet no patch or active exploitation reports are mentioned.

    1000044
    510 followersView on X
  • CVE@CVEnew
    General

    CVE-2026-2557 A vulnerability was detected in cskefu up to 8.0.1. Impacted is the function Upload of the file com/cskefu/cc/controller/resource/MediaController.java of the component … https://www.cve.org/CVERecord?id=CVE-2026-2557

    Post summary

    The note announces detection of CVE‑2026‑2557 in cskefu up to version 8.0.1, listing the affected component but providing no further technical, exploit, or mitigation details.

    00000297
    56.4K followersView on X
CPE platform detail1 entries

1 of 1 entries

PartVendorProductVersionTarget SWTarget HW
Appcskefucskefu---

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