How severe is CVE-2018-18922?

CVE-2018-18922 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-18922 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-18922?

CVE-2018-18922 affects Abisoftgt Ticketly. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-18922?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2018-18922 published?

CVE-2018-18922 was published on 2018-12-13 and last updated on 2026-06-17.

CVE-2018-18922

CVE-2018-18922 is a critical-severity vulnerability in Abisoftgt Ticketly with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-425.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 5.0
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-425
Affected product: Abisoftgt Ticketly
Published: 2018-12-13
Last modified: 2026-06-17

Description

add_user in AbiSoft Ticketly 1.0 allows remote attackers to create administrator accounts via an action/add_user.php POST request.

Frequently asked questions

What is CVE-2018-18922?: add_user in AbiSoft Ticketly 1.0 allows remote attackers to create administrator accounts via an action/add_user.php POST request.
How severe is CVE-2018-18922?: CVE-2018-18922 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-18922 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-18922?: CVE-2018-18922 affects Abisoftgt Ticketly. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-18922?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2018-18922 published?: CVE-2018-18922 was published on 2018-12-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:abisoftgt:ticketly:1.0:*:*:*:*:*:*:*

More vulnerabilities in Abisoftgt Ticketly

CVE-2018-18923 — Critical (CVSS 9.8): AbiSoft Ticketly 1.0 is affected by multiple SQL Injection vulnerabilities through the parameters name, category_id and…

All CVEs affecting Abisoftgt Ticketly →

Other CWE-425 vulnerabilities

CVE-2025-26689 — Critical (CVSS 9.8): Direct request ('Forced Browsing') issue exists in CHOCO TEI WATCHER mini (IB-MCT001) all versions. If a remote…
CVE-2024-0204 — Critical (CVSS 9.8): Authentication bypass in Fortra's GoAnywhere MFT prior to 7.4.1 allows an unauthorized user to create an admin user via…
CVE-2022-45276 — Critical (CVSS 9.8): An issue in the /index/user/user_edit.html component of YJCMS v1.0.9 allows unauthenticated attackers to obtain the…
CVE-2022-26279 — Critical (CVSS 9.8): EyouCMS v1.5.5 was discovered to have no access control in the component /data/sqldata.
CVE-2021-36560 — Critical (CVSS 9.8): Phone Shop Sales Managements System using PHP with Source Code 1.0 is vulnerable to authentication bypass which leads…
CVE-2021-36745 — Critical (CVSS 9.8): A vulnerability in Trend Micro ServerProtect for Storage 6.0, ServerProtect for EMC Celerra 5.8, ServerProtect for…

Browse all CWE-425 vulnerabilities →