How severe is CVE-2015-2793?

CVE-2015-2793 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2015-2793 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-2793?

CVE-2015-2793 primarily affects Ikiwiki. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-2793?

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

When was CVE-2015-2793 published?

CVE-2015-2793 was published on 2019-11-21 and last updated on 2026-06-17.

CVE-2015-2793

CVE-2015-2793 is a medium-severity vulnerability in Ikiwiki with a CVSS 3.x base score of 6.1. 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 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 2% (74th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Ikiwiki
Published: 2019-11-21
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in templates/openid-selector.tmpl in ikiwiki before 3.20150329 allows remote attackers to inject arbitrary web script or HTML via the openid_identifier parameter in a verify action to ikiwiki.cgi.

Frequently asked questions

What is CVE-2015-2793?: Cross-site scripting (XSS) vulnerability in templates/openid-selector.tmpl in ikiwiki before 3.20150329 allows remote attackers to inject arbitrary web script or HTML via the openid_identifier parameter in a verify action to ikiwiki.cgi.
How severe is CVE-2015-2793?: CVE-2015-2793 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2015-2793 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (74th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-2793?: CVE-2015-2793 primarily affects Ikiwiki. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-2793?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-2793 published?: CVE-2015-2793 was published on 2019-11-21 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:ikiwiki:ikiwiki:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:20:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:21:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:22:*:*:*:*:*:*:*

More vulnerabilities in Ikiwiki

CVE-2017-0356 — Critical (CVSS 9.8): A flaw, similar to to CVE-2016-9646, exists in ikiwiki before 3.20170111, in the passwordauth plugin's use of…
CVE-2011-1408 — High (CVSS 8.2): ikiwiki before 3.20110608 allows remote attackers to hijack root's tty and run symlink attacks.
CVE-2019-9187 — High (CVSS 7.5): ikiwiki before 3.20170111.1 and 3.2018x and 3.2019x before 3.20190228 allows SSRF via the aggregate plugin. The impact…
CVE-2016-10026 — High (CVSS 7.5): ikiwiki 3.20161219 does not properly check if a revision changes the access permissions for a page on sites with the…
CVE-2008-0169 — Medium (CVSS 6.8): Plugin/passwordauth.pm (aka the passwordauth plugin) in ikiwiki 1.34 through 2.47 allows remote attackers to bypass…
CVE-2016-9645 — Medium (CVSS 6.5): The fix for ikiwiki for CVE-2016-10026 was incomplete resulting in editing restriction bypass for git revert when using…

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