How severe is CVE-2009-0934?

CVE-2009-0934 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2009-0934 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2009-0934?

CVE-2009-0934 primarily affects Process-one Ejabberd. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2009-0934?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2009-0934 published?

CVE-2009-0934 was published on 2009-03-18 and last updated on 2026-06-16.

CVE-2009-0934

CVE-2009-0934 is a medium-severity vulnerability in Process-one Ejabberd with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Process-one Ejabberd
Published: 2009-03-18
Last modified: 2026-06-16

Description

Cross-site scripting (XSS) vulnerability in ejabberd before 2.0.4 allows remote attackers to inject arbitrary web script or HTML via unknown vectors related to links and MUC logs.

Frequently asked questions

What is CVE-2009-0934?: Cross-site scripting (XSS) vulnerability in ejabberd before 2.0.4 allows remote attackers to inject arbitrary web script or HTML via unknown vectors related to links and MUC logs.
How severe is CVE-2009-0934?: CVE-2009-0934 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2009-0934 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2009-0934?: CVE-2009-0934 primarily affects Process-one Ejabberd. In total, 17 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2009-0934?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2009-0934 published?: CVE-2009-0934 was published on 2009-03-18 and last updated on 2026-06-16.

References

Affected products (17)

cpe:2.3:a:process-one:ejabberd:*:*:*:*:*:*:*:*
cpe:2.3:a:process-one:ejabberd:0.9:*:*:*:*:*:*:*
cpe:2.3:a:process-one:ejabberd:0.9.1:*:*:*:*:*:*:*
cpe:2.3:a:process-one:ejabberd:0.9.8:*:*:*:*:*:*:*
cpe:2.3:a:process-one:ejabberd:1.0.0:*:*:*:*:*:*:*
cpe:2.3:a:process-one:ejabberd:1.1.0:*:*:*:*:*:*:*
cpe:2.3:a:process-one:ejabberd:1.1.1:*:*:*:*:*:*:*
cpe:2.3:a:process-one:ejabberd:1.1.1.0:*:*:*:*:*:*:*
cpe:2.3:a:process-one:ejabberd:1.1.1.1:*:*:*:*:*:*:*
cpe:2.3:a:process-one:ejabberd:1.1.2:*:*:*:*:*:*:*
cpe:2.3:a:process-one:ejabberd:1.1.3:*:*:*:*:*:*:*
cpe:2.3:a:process-one:ejabberd:1.1.14:*:*:*:*:*:*:*
cpe:2.3:a:process-one:ejabberd:2.0.0:*:*:*:*:*:*:*
cpe:2.3:a:process-one:ejabberd:2.0.0:beta1:*:*:*:*:*:*
cpe:2.3:a:process-one:ejabberd:2.0.0:rc1:*:*:*:*:*:*
cpe:2.3:a:process-one:ejabberd:2.0.1_2:*:*:*:*:*:*:*
cpe:2.3:a:process-one:ejabberd:2.0.2:*:*:*:*:*:*:*

More vulnerabilities in Process-one Ejabberd

CVE-2007-0903 — Critical (CVSS 10.0): Unspecified vulnerability in the mod_roster_odbc module in ejabberd before 1.1.3 has unknown impact and attack vectors.
CVE-2014-8760 — Medium (CVSS 5.0): ejabberd before 2.1.13 does not enforce the starttls_required setting when compression is used, which causes clients to…
CVE-2011-1753 — Medium (CVSS 5.0): expat_erl.c in ejabberd before 2.1.7 and 3.x before 3.0.0-alpha-3, and exmpp before 0.9.7, does not properly detect…
CVE-2010-0305 — Medium (CVSS 5.0): ejabberd_c2s.erl in ejabberd before 2.1.3 allows remote attackers to cause a denial of service (daemon crash) via a…
CVE-2013-6169 — Medium (CVSS 4.3): The TLS driver in ejabberd before 2.1.12 supports (1) SSLv2 and (2) weak SSL ciphers, which makes it easier for remote…
CVE-2011-4320 — Medium (CVSS 4.0): The mod_pubsub module (mod_pubsub.erl) in ejabberd 2.1.8 and 3.0.0-alpha-3 allows remote authenticated users to cause a…

All CVEs affecting Process-one Ejabberd →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →