CVE-2018-6905

lowpriority · track · 30EPSS 0.022 · 82 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

2 exploits · PoC

Likely / severe?

2.17% (82nd) EPSS

CVSS 3.5 · low

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

The page module in TYPO3 before 8.7.11, and 9.1.0, has XSS via $GLOBALS['TYPO3_CONF_VARS']['SYS']['sitename'], as demonstrated by an admin entering a crafted site name during the installation process.

cvss

Technical severity, 0–10. One row per scoring source.

4.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.5–4.8

v2.03.5lowAV:N/AC:M/Au:S/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 6.8 · impact 2.9

v3.04.8mediumCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 1.7 · impact 2.7

v3.04.8mediumCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:Nsecondary · OSV

v3.04.6mediumCVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-79US

exploits (2)

Public proof-of-concept and weaponised exploit code.

dnr6419/CVE-2018-6905typo3 install.php XSSPoC · poc_in_github
pradeepjairamani/TYPO3-XSS-POCTypo3 -v9.1.0 Persistent Cross Site Scripting(XSS) Assigned CVE Number: CVE-2018-6905PoC · poc_in_github

affected products (4)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
typo3 typo3< 8.7.11nvdUScpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
typo3 typo39.0.0 → 9.1.0nvdUScpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*
Packagist typo3/cms< 9.2.0osvUSpkg:composer/typo3/cms

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-3w22-wrwx-2r75Typo3 XSS Vulnerability2022-05-14ghsa · osvUS
The page module in TYPO3 before 8.7.11 has XSS via `$GLOBALS['TYPO3_CONF_VARS']['SYS']['sitename']`, as demonstrated by an admin entering a crafted site name during the installation process.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2018-04-08modified 2026-06-17

related (53,009)

Related entries.

ID	severity	EPSS	exploitable	published
CVE-2026-42897US	medium6.1OT critical	70.7% (99th)	KEV	2026-05-14
Improper neutralization of input during web page generation ('cross-site scripting') in Microsoft Exchange Server allows an unauthorized attacker to perform spoofing over a network…
CVE-2025-66376US	medium6.1OT critical	20.2% (97th)	KEV	2026-01-05
Zimbra Collaboration (ZCS) 10 before 10.0.18 and 10.1 before 10.1.13 allows Classic UI stored XSS via Cascading Style Sheets (CSS) @import directives in an HTML e-mail message.
CVE-2025-68461US	medium6.1OT critical	27.4% (98th)	KEV	2025-12-18
Roundcube Webmail before 1.5.12 and 1.6 before 1.6.12 is prone to a Cross-Site-Scripting (XSS) vulnerability via the animate tag in an SVG document.
CVE-2025-48700US	—OT critical	1.71% (77th)	KEV	2025-06-23
An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0 and 10.0 and 10.1. A Cross-Site Scripting (XSS) vulnerability in the Zimbra Classic UI allows attackers to exec…
CVE-2025-27915US	—OT critical	4.06% (91st)	KEV	2025-03-12
An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0 and 10.1. A stored cross-site scripting (XSS) vulnerability exists in the Classic Web Client due to insufficient…

+53004 more

references (8)

External citations — patches, advisories, analysis.

https://forge.typo3.org/issues/84191 cnnvd
https://github.com/pradeepjairamani/TYPO3-XSS-POC cnnvd
http://www.securitytracker.com/id/1040755 enisa_euvd
https://forge.typo3.org/issues/84191 enisa_euvd
https://github.com/pradeepjairamani/TYPO3-XSS-POC enisa_euvd
http://www.securitytracker.com/id/1040755Third Party AdvisoryVDB Entrynvd
https://forge.typo3.org/issues/84191PatchVendor Advisorynvd
https://github.com/pradeepjairamani/TYPO3-XSS-POCExploitThird Party Advisorynvd

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