CVE-2025-8787Portabilis i-Diario Registro das atividades registros-de-conteudos-por-disciplina cross site scripting
- 5.1MediumCVSS base score
- 0.40%Exploitation in 30 daysEPSS · top 65% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- YesPublic exploitsa reference or SSVC says so
Description
A security flaw has been discovered in Portabilis i-Diario up to 1.5.0. The affected element is an unknown function of the file /registros-de-conteudos-por-disciplina/ of the component Registro das atividades. The manipulation of the argument Registro de atividades/Conteúdos results in cross site scripting. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. The patch is identified as 821342cd8d952e8bd214cb16145da785a92f5681. A patch should be applied to remediate this issue. The vendor confirms: "Audited values shown on that screen are now sanitized on output: only a minimal allowlist of basic formatting tags is kept and all attributes are stripped, so injected <script> or event-handler markup is removed and displayed as inert text."
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. 3 references of the record are tagged as an exploit. CISA's SSVC rates its exploitation: a proof of concept is public.
Show the exploits3
References tagged exploit3 references
- https://github.com/marcelomulder/CVE/blob/main/i-diario/CVE-2025-8787.md (opens in a new tab)relatedexploit
- https://github.com/marcelomulder/CVE/blob/main/i-diario/Stored%20XSS%20endpoint%20registros-de-conteudos-por-disciplina.(ID)%20in%20multiples%20parameters.md (opens in a new tab)exploit
- https://vuldb.com/?submit.625795 (opens in a new tab)exploit
Timeline
ID reserved
By VulDB
- 1 day later
· 1 day later
Published
- 14 months later
· 14 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 4.0 | Medium5.1 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P |
| VulDBCNA (assigner) | 3.1 | Low3.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C |
| VulDBCNA (assigner) | 3.0 | Low3.5 | CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C |
| VulDBCNA (assigner) | 2.0 | Medium4.0 | AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:OF/RC:C |
| NVDNVD · Modified | 4.0 | Low2.0 | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
- EPSS (exploitation in 30 days)
- 0.40% · top 65% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.1.
Affected products
- affected 1.0
- affected 1.1
- affected 1.2
- affected 1.3
- affected 1.4
- affected 1.5.0
References
References9
- VDB-319315 | Portabilis i-Diario Registro das atividades registros-de-conteudos-por-disciplina cross site scripting (opens in a new tab)vdb-entrytechnical-description
- VDB-319315 | CTI Indicators (IOB, IOC, TTP, IOA) (opens in a new tab)signaturepermissions-required
- CVE-2025-8787 | CVE Analysis and Report (opens in a new tab)third-party-advisory
- Submit #625795 | Portabilis i-diario 1.5.0 Cross Site Scripting (XSS) Stored (opens in a new tab)third-party-advisory
- https://github.com/marcelomulder/CVE/blob/main/i-diario/CVE-2025-8787.md (opens in a new tab)relatedexploit
- https://github.com/marcelomulder/CVE/blob/main/i-diario/Stored%20XSS%20endpoint%20registros-de-conteudos-por-disciplina.(ID)%20in%20multiples%20parameters.md (opens in a new tab)exploit
- https://github.com/portabilis/i-diario/commit/821342cd8d952e8bd214cb16145da785a92f5681 (opens in a new tab)patch
- https://github.com/portabilis/i-diario/ (opens in a new tab)product
- https://vuldb.com/?submit.625795 (opens in a new tab)exploit
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2025-24066 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2025-8787)Record last updated .