CVE-2023-5546

mediumpriority · track · 32EPSS 0.013 · 70 %ileexploit · PoCDEEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

1.31% (70th) EPSS

CVSS 5.4 · medium

Is it mine?

11 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

ID numbers displayed in the quiz grading report required additional sanitizing to prevent a stored XSS risk.

cvss

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

5.4

010

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

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.3 · impact 2.7

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:Nsecondary · ENISA EU

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:Nsecondary · patrick@puiterwijk.orgexploitability 2.8 · impact 1.4

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nsecondary · OSV

v3.15.1mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:Psecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-79US

exploits (1)

Public proof-of-concept and weaponised exploit code.

obelia01/CVE-2023-5546obelia01/CVE-2023-5546PoC · poc_in_github

affected products (11)

Products and version ranges known to be affected.

fedoraproject fedora= 37nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
fedoraproject fedora= 38nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
fedoraproject fedora= 39nvdUScpe:2.3:o:fedoraproject:fedora:*:*:*:*:*:*:*:*
moodle moodle4.0.0 → 4.0.11nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle4.1.0 → 4.1.6nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
moodle moodle4.2.0 → 4.2.3nvdUScpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*
redhat enterprise linux= 7.0nvdUScpe:2.3:o:redhat:enterprise_linux:*:*:*:*:*:*:*:*
Bitnami moodle4.0.0 → 4.0.11osvUSpkg:bitnami/moodle
Bitnami moodle4.1.0 → 4.1.6osvUSpkg:bitnami/moodle
Bitnami moodle4.2.0 → 4.2.3osvUSpkg:bitnami/moodle
Packagist moodle/moodle< 4.3.0-rc2osvUSpkg:composer/moodle/moodle

advisories (3)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2023-2701Moodle: Mehrere SchwachstellenDeutsch2023-10-17csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in Moodle ausnutzen, um Sicherheitsvorkehrungen zu umgehen, Informationen offenzulegen oder einen Cross-Site-Scripting-Angriff durchzuführen.
GHSA-9724-h8p7-r3jvMoodle Cross-site Scripting vulnerability2023-11-09ghsa · osvUS
ID numbers displayed in the quiz grading report required additional sanitizing to prevent a stored XSS risk.
BIT-moodle-2023-5546Moodle: stored xss in quiz grading report via user id number2024-03-06vendor · osvUS
ID numbers displayed in the quiz grading report required additional sanitizing to prevent a stored XSS risk.

also known as (5)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd cert_bund NVD CVE.org MITRE

published 2023-11-09modified 2026-06-17

related (53,012)

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…

+53007 more

references (11)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan