How severe is CVE-2019-15074?

CVE-2019-15074 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-15074 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-15074?

CVE-2019-15074 affects Mantisbt. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-15074?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-15074 published?

CVE-2019-15074 was published on 2019-08-21 and last updated on 2026-06-17.

CVE-2019-15074

CVE-2019-15074 is a critical-severity vulnerability in Mantisbt with a CVSS 3.x base score of 9.6. 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: Critical (CVSS 3.x base score 9.6)
CVSS v2: 6.8
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Mantisbt
Published: 2019-08-21
Last modified: 2026-06-17

Description

The Timeline feature in my_view_page.php in MantisBT through 2.21.1 has a stored cross-site scripting (XSS) vulnerability, allowing execution of arbitrary code (if CSP settings permit it) after uploading an attachment with a crafted filename. The code is executed for any user having visibility to the issue, whenever My View Page is displayed.

Frequently asked questions

What is CVE-2019-15074?: The Timeline feature in my_view_page.php in MantisBT through 2.21.1 has a stored cross-site scripting (XSS) vulnerability, allowing execution of arbitrary code (if CSP settings permit it) after uploading an attachment with a crafted filename. The code is executed for any user having visibility to the issue, whenever My View Page is displayed.
How severe is CVE-2019-15074?: CVE-2019-15074 has a CVSS 3.x base score of 9.6, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2019-15074 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-15074?: CVE-2019-15074 affects Mantisbt. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-15074?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2019-15074 published?: CVE-2019-15074 was published on 2019-08-21 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mantisbt:mantisbt:*:*:*:*:*:*:*:*

More vulnerabilities in Mantisbt

CVE-2026-30849 — Critical (CVSS 9.8): Mantis Bug Tracker (MantisBT) is an open source issue tracker. Versions prior to 2.28.1 running on MySQL family…
CVE-2025-47776 — Critical (CVSS 9.1): Mantis Bug Tracker (MantisBT) is an open source issue tracker. Due to incorrect use of loose (==) instead of strict…
CVE-2017-7615 — High (CVSS 8.8): MantisBT through 2.3.0 allows arbitrary password reset and unauthenticated admin access via an empty confirm_hash value…
CVE-2024-23830 — High (CVSS 8.3): MantisBT is an open source issue tracker. Prior to version 2.26.1, an unauthenticated attacker who knows a user's email…
CVE-2009-20001 — High (CVSS 8.1): An issue was discovered in MantisBT before 2.24.5. It associates a unique cookie string with each user. This string is…
CVE-2021-43257 — High (CVSS 7.8): Lack of Neutralization of Formula Elements in the CSV API of MantisBT before 2.25.3 allows an unprivileged attacker to…

All CVEs affecting Mantisbt →

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 →