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CVE-2026-33517

Mantis Bug Tracker (MantisBT) is an open source issue tracker. In version 2.28.0, when deleting a Tag (tag_delete.php), improper escaping of its name when displaying the confirmation message allows an attacker to inject HTML and, if CSP settings permit, achieve execution of arbitrary JavaScript. Version 2.28.1 fixes the issue. Workarounds include reverting commit d6890320752ecf37bd74d11fe14fe7dc12335be9 and/or manually editing language files to remove the sprintf placeholder `%1$s` from `$s_tag_
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d4951c6d3d250fceb9079c355e99ef7a68013ab33ceb98fc504016a8003dec4f
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0

Affected products and versions

1 source assertion
{"product":"mantisbt","vendor":"mantisbt","versions":[{"status":"affected","version":"= 2.28.0"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:fdf171eea17ee0e596bfc58d620b0063c34bd4364cd868490c674f3b5c4476f2 · sha256:ab4bb886fa46f85d… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.6,"baseSeverity":"HIGH","privilegesRequired":"LOW","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"HIGH","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH"},"metric_type":"cvssV4_0"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:fdf171eea17ee0e596bfc58d620b0063c34bd4364cd868490c674f3b5c4476f2 · sha256:ab4bb886fa46f85d… · /containers/cna/metrics/0/cvssV4_0

CWE assertions

1 source assertion
{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:fdf171eea17ee0e596bfc58d620b0063c34bd4364cd868490c674f3b5c4476f2 · sha256:ab4bb886fa46f85d… · /containers/cna/problemTypes/0/descriptions/0

Source references

3 source assertions
{"name":"https://github.com/mantisbt/mantisbt/commit/80990f43153167c73f11eb4b2bc7108d0c3d6b46","tags":["x_refsource_MISC"],"url":"https://github.com/mantisbt/mantisbt/commit/80990f43153167c73f11eb4b2bc7108d0c3d6b46"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fdf171eea17ee0e596bfc58d620b0063c34bd4364cd868490c674f3b5c4476f2 · sha256:ab4bb886fa46f85d… · /containers/cna/references/1
{"name":"https://github.com/mantisbt/mantisbt/commit/d6890320752ecf37bd74d11fe14fe7dc12335be9","tags":["x_refsource_MISC"],"url":"https://github.com/mantisbt/mantisbt/commit/d6890320752ecf37bd74d11fe14fe7dc12335be9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fdf171eea17ee0e596bfc58d620b0063c34bd4364cd868490c674f3b5c4476f2 · sha256:ab4bb886fa46f85d… · /containers/cna/references/2
{"name":"https://github.com/mantisbt/mantisbt/security/advisories/GHSA-fh48-f69w-7vmp","tags":["x_refsource_CONFIRM"],"url":"https://github.com/mantisbt/mantisbt/security/advisories/GHSA-fh48-f69w-7vmp"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:fdf171eea17ee0e596bfc58d620b0063c34bd4364cd868490c674f3b5c4476f2 · sha256:ab4bb886fa46f85d… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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