CVE-2012-0820: n/a vulnerability

CVE-2012-0820: Cross-site scripting (XSS) vulnerability in Joomla!

Cross-site scripting (XSS) vulnerability in Joomla! 1.6.x and 1.7.x before 1.7.4 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors, a different vulnerability than CVE-2012-0822.

UnknownCVSS not scoredNot KEV-listedUpdatedSep 17, 2024, 02:53 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2012-0820 is an old Joomla cross-site scripting issue. A vulnerable Joomla site could let a remote attacker inject script or HTML into a user's browser. The sources identify Joomla 1.6.x and 1.7.x before 1.7.4, but do not specify the exact input path. Exposure is most likely on public Joomla sites still running 1.6.x or 1.7.x below 1.7.4. The bundle does not identify specific components, plugins, roles, or request parameters. Treat this as a legacy CMS remediation item. It is not supported by active exploitation evidence in the bundle, but public web exposure and age of affected Joomla versions justify prompt inventory and upgrade. Mitigation focus: Upgrade affected Joomla 1.6.x or 1.7.x sites to at least 1.7.4.; Review Joomla vendor guidance if a direct upgrade path is constrained.; Prioritize internet-facing and authenticated-user-facing Joomla instances..

Prepared: Jun 28, 2026, 00:52 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cve · low confidence lookup

CVE-2012-0820 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup

Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Sep 6, 2012, 19:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

1Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus

n/an/an/aListed

Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.