highCVSS 7.2Vulnerability
CVE-2026-44742
Postorius through 1.3.13 does not escape HTML in the message subject when rendering it in the Held messages pop-up, as exploited in the wild in May 2026.
Properties
- summary
- Postorius is vulnerable to XSS
- severity
- high
- epss_score
- 0.00237
- cvss_score
- 7.2
- ghsa_published
- 2026-05-07T21:30:29Z
- source_url
- https://github.com/advisories/GHSA-r7c9-7pjq-hmm8
- ghsa_updated
- 2026-05-12T16:20:38Z
- ghsa_id
- GHSA-r7c9-7pjq-hmm8
- cve_id
- CVE-2026-44742
- cvss_vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
- is_ghsa_only
- false
- epss_percentile
- 0.14717
Related Entities (5)
ENRICHED_BY (1)
→[Source]FIRST EPSS
HAS_WEAKNESS (1)
→[Weakness]Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
REPORTED_BY (1)
→[Source]GitHub Advisory Database
VULNERABLE_TO (1)
←[Software]pip/postorius
AFFECTS (1)
→[Software]pip/postorius
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