PT-2021-17138 · Unknown · Omeka Classic

Evanyu0816 · Published 2021-07-23 · Updated 2021-07-29 · CVE-2021-26799

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Omeka Classic versions <=2.7

Description The issue allows remote attackers to inject arbitrary web script or HTML via the admin/files/edit endpoint. This is a Cross Site Scripting (XSS) issue.

Recommendations For Omeka Classic versions <=2.7, update to a version greater than 2.7 to resolve the issue. As a temporary workaround, consider restricting access to the admin/files/edit endpoint until a patch is available.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-26799

Affected Products

Omeka Classic

References · 5

• 🔥 https://github.com/omeka/Omeka/issues/935 · Exploit
• 🔥 https://github.com/omeka/Omeka/commit/08bfdf470e234edb68e5307a2fef8c899d89256c · Exploit
• https://osv.dev/vulnerability/CVE-2021-26799 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-26799 · Security Note
• https://t.me/cibsecurity/26432 · Telegram Post