CVE-2017-12156

mediumpriority · track · 24EPSS 0.012 · 69 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.23% (69th) EPSS

CVSS 4.3 · medium

Is it mine?

33 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-28

Moodle 3.x has XSS in the contact form on the "non-respondents" page in non-anonymous feedback.

cvss

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

6.1

010

base score 0–10 · higher = more severe · hover a vector to decode

v2.04.3mediumAV:N/AC:M/Au:N/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 8.6 · impact 2.9

v3.06.1mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 2.7

v3.06.1mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · OSV

v3.05.6mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-79US

affected products (33)

Products and version ranges known to be affected.

n/a Moodle 3.x≤ Moodle 3.xenisa_euvdEU
moodle moodle= 3.0.0nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle= 3.0.1nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle= 3.0.10nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle= 3.0.2nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle= 3.0.3nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle= 3.0.4nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle= 3.0.5nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle= 3.0.6nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle= 3.0.7nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle= 3.0.8nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle= 3.0.9nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle= 3.1.0nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle= 3.1.1nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle= 3.1.2nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle= 3.1.3nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle= 3.1.4nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle= 3.1.5nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle= 3.1.6nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle= 3.1.7nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*

showing 20 of 33

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-7mfw-g8x4-rq2wMoodle XSS Vulnerability2022-05-17ghsa · osvUS
Moodle 3.x has XSS in the contact form on the "non-respondents" page in non-anonymous feedback.

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 2017-09-18modified 2026-06-17

related (53,089)

Related entries.

ID	severity	EPSS	exploitable	published
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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…

+53084 more

references (5)

External citations — patches, advisories, analysis.

https://moodle.org/mod/forum/discuss.php?d=358585 cnnvd
http://www.securityfocus.com/bid/100867 enisa_euvd
https://moodle.org/mod/forum/discuss.php?d=358585 enisa_euvd
http://www.securityfocus.com/bid/100867Third Party AdvisoryVDB Entrynvd
https://moodle.org/mod/forum/discuss.php?d=358585PatchVendor Advisorynvd

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