How severe is CVE-2018-7304?

CVE-2018-7304 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-7304 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-7304?

CVE-2018-7304 affects Tiki. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-7304?

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

When was CVE-2018-7304 published?

CVE-2018-7304 was published on 2018-02-21 and last updated on 2026-06-17.

CVE-2018-7304

CVE-2018-7304 is a high-severity vulnerability in Tiki with a CVSS 3.x base score of 8.8. 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-1236.

Key facts

Severity: High (CVSS 3.x base score 8.8)
CVSS v2: 6.5
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1236
Affected product: Tiki
Published: 2018-02-21
Last modified: 2026-06-17

Description

Tiki 17.1 does not validate user input for special characters; consequently, a CSV Injection attack can open a CMD.EXE or Calculator window on the victim machine to perform malicious activity, as demonstrated by an "=cmd|' /C calc'!A0" payload during User Creation.

Frequently asked questions

What is CVE-2018-7304?: Tiki 17.1 does not validate user input for special characters; consequently, a CSV Injection attack can open a CMD.EXE or Calculator window on the victim machine to perform malicious activity, as demonstrated by an "=cmd|' /C calc'!A0" payload during User Creation.
How severe is CVE-2018-7304?: CVE-2018-7304 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-7304 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-7304?: CVE-2018-7304 affects Tiki. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-7304?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-7304 published?: CVE-2018-7304 was published on 2018-02-21 and last updated on 2026-06-17.

References

https://websecnerd.blogspot.in/2018/01/tiki-wiki-cms-groupware-17.html

Affected products (1)

cpe:2.3:a:tiki:tiki:17.1:*:*:*:*:*:*:*

More vulnerabilities in Tiki

CVE-2020-15906 — Critical (CVSS 9.8): tiki-login.php in Tiki before 21.2 sets the admin password to a blank value after 50 invalid login attempts.
CVE-2023-22850 — High (CVSS 8.8): Tiki before 24.1, when the Spreadsheets feature is enabled, allows lib/sheet/grid.php PHP Object Injection because of…
CVE-2023-22853 — High (CVSS 8.8): Tiki before 24.1, when feature_create_webhelp is enabled, allows lib/structures/structlib.php PHP Object Injection…
CVE-2023-22851 — High (CVSS 7.2): Tiki before 24.2 allows lib/importer/tikiimporter_blog_wordpress.php PHP Object Injection by an admin because of an…
CVE-2011-4558 — High (CVSS 7.2): Tiki 8.2 and earlier allows remote administrators to execute arbitrary PHP code via crafted input to the regexres and…
CVE-2023-22852 — Medium (CVSS 6.5): Tiki through 25.0 allows CSRF attacks that are related to tiki-importer.php and tiki-import_sheet.php.

All CVEs affecting Tiki →

Other CWE-1236 (Improper Neutralization of Formula Elements in a CSV File) vulnerabilities

CVE-2026-31049 — Critical (CVSS 9.8): An issue in Hostbill v.2025-11-24 and 2025-12-01 allows a remote attacker to execute arbitrary code and escalate…
CVE-2020-36962 — Critical (CVSS 9.8): Tendenci 12.3.1 contains a CSV formula injection vulnerability in the contact form message field that allows attackers…
CVE-2021-47901 — Critical (CVSS 9.8): Dirsearch 0.4.1 contains a CSV injection vulnerability when using the --csv-report flag that allows attackers to inject…
CVE-2020-36941 — Critical (CVSS 9.8): Knockpy 4.1.1 contains a CSV injection vulnerability that allows attackers to inject malicious formulas into CSV…
CVE-2025-56267 — Critical (CVSS 9.8): A CSV injection vulnerability in the /id_profiles endpoint of Avigilon ACM v7.10.0.20 allows attackers to execute…
CVE-2023-47295 — Critical (CVSS 9.8): A CSV injection vulnerability in NCR Terminal Handler v1.5.1 allows attackers to execute arbitrary commands via…

Browse all CWE-1236 (Improper Neutralization of Formula Elements in a CSV File) vulnerabilities →