How severe is CVE-2017-15273?

CVE-2017-15273 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2017-15273 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2017-15273?

CVE-2017-15273 primarily affects Mahara. In total, 42 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2017-15273?

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

When was CVE-2017-15273 published?

CVE-2017-15273 was published on 2017-10-31 and last updated on 2026-06-17.

CVE-2017-15273

CVE-2017-15273 is a medium-severity vulnerability in Mahara with a CVSS 3.x base score of 5.4. 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 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (52nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Mahara
Published: 2017-10-31
Last modified: 2026-06-17

Description

Mahara 15.04 before 15.04.15, 16.04 before 16.04.9, 16.10 before 16.10.6, and 17.04 before 17.04.4 are vulnerable to a user submitting a potential dangerous payload, e.g., XSS code, to be saved as titles in internal artefacts.

Frequently asked questions

What is CVE-2017-15273?: Mahara 15.04 before 15.04.15, 16.04 before 16.04.9, 16.10 before 16.10.6, and 17.04 before 17.04.4 are vulnerable to a user submitting a potential dangerous payload, e.g., XSS code, to be saved as titles in internal artefacts.
How severe is CVE-2017-15273?: CVE-2017-15273 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2017-15273 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (52nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2017-15273?: CVE-2017-15273 primarily affects Mahara. In total, 42 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2017-15273?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2017-15273 published?: CVE-2017-15273 was published on 2017-10-31 and last updated on 2026-06-17.

References

Affected products (42)

cpe:2.3:a:mahara:mahara:15.04:rc1:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:15.04:rc2:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:15.04.0:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:15.04.1:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:15.04.2:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:15.04.3:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:15.04.4:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:15.04.5:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:15.04.6:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:15.04.7:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:15.04.8:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:15.04.9:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:15.04.10:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:15.04.11:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:15.04.12:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:15.04.13:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:15.04.15:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:16.04:rc1:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:16.04:rc2:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:16.04.0:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:16.04.1:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:16.04.2:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:16.04.3:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:16.04.4:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:16.04.5:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:16.04.6:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:16.04.7:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:16.04.8:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:16.10:rc1:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:16.10:rc2:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:16.10.0:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:16.10.1:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:16.10.2:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:16.10.3:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:16.10.4:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:16.10.5:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:17.04:rc1:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:17.04:rc2:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:17.04.0:*:*:*:*:*:*:*
cpe:2.3:a:mahara:mahara:17.04.1:*:*:*:*:*:*:*

More vulnerabilities in Mahara

CVE-2022-45134 — Critical (CVSS 9.8): Mahara 21.10 before 21.10.6, 22.04 before 22.04.4, and 22.10 before 22.10.1 deserializes user input unsafely during…
CVE-2022-44544 — Critical (CVSS 9.8): Mahara 21.04 before 21.04.7, 21.10 before 21.10.5, 22.04 before 22.04.3, and 22.10 before 22.10.0 potentially allow a…
CVE-2021-40849 — Critical (CVSS 9.8): In Mahara before 20.04.5, 20.10.3, 21.04.2, and 21.10.0, the account associated with a web services token is vulnerable…
CVE-2017-1000154 — Critical (CVSS 9.8): Mahara 15.04 before 15.04.8 and 15.10 before 15.10.4 and 16.04 before 16.04.2 are vulnerable to some authentication…
CVE-2017-1000153 — Critical (CVSS 9.8): Mahara 15.04 before 15.04.10 and 15.10 before 15.10.6 and 16.04 before 16.04.4 are vulnerable to incorrect access…
CVE-2017-1000152 — Critical (CVSS 9.8): Mahara 15.04 before 15.04.7 and 15.10 before 15.10.3 running PHP 5.3 are vulnerable to one user being logged in as…

All CVEs affecting Mahara →

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 →