How severe is CVE-2019-15539?

CVE-2019-15539 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-2019-15539 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-15539?

CVE-2019-15539 affects Mantisbt. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-15539?

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

When was CVE-2019-15539 published?

CVE-2019-15539 was published on 2020-03-19 and last updated on 2026-06-17.

CVE-2019-15539

CVE-2019-15539 is a medium-severity vulnerability in Mantisbt 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: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Mantisbt
Published: 2020-03-19
Last modified: 2026-06-17

Description

The proj_doc_edit_page.php Project Documentation feature in MantisBT before 2.21.3 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 when editing the document's page.

Frequently asked questions

What is CVE-2019-15539?: The proj_doc_edit_page.php Project Documentation feature in MantisBT before 2.21.3 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 when editing the document's page.
How severe is CVE-2019-15539?: CVE-2019-15539 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-2019-15539 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-15539?: CVE-2019-15539 affects Mantisbt. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-15539?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-15539 published?: CVE-2019-15539 was published on 2020-03-19 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-2019-15074 — Critical (CVSS 9.6): The Timeline feature in my_view_page.php in MantisBT through 2.21.1 has a stored cross-site scripting (XSS)…
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…

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 →