CVE-2021-28378

lowpriority · track · 35EPSS 0.088 · 95 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

8.76% (95th) EPSS

CVSS 3.5 · low

Is it mine?

6 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

Gitea 1.12.x and 1.13.x before 1.13.4 allows XSS via certain issue data in some situations.

cvss

Technical severity, 0–10. One row per scoring source.

5.4

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.5–5.4

v2.03.5lowAV:N/AC:M/Au:S/C:N/I:P/A:Nprimary · NVD / NIST USexploitability 6.8 · impact 2.9

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nprimary · NVD / NIST USexploitability 2.3 · impact 2.7

v3.13.7lowCVSS:3.1/AC:H/AV:N/A:N/C:L/I:L/PR:L/S:U/UI:Rsecondary · ENISA EU

v3.13.7lowCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:L/A:Nsecondary · cve@mitre.org USexploitability 1.2 · impact 2.5

v3.15.4mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:Nsecondary · OSV

v3.15.1mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N/E:Psecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimaryCWE-79US

exploits (1)

Public proof-of-concept and weaponised exploit code.

pandatix/CVE-2021-28378pandatix/CVE-2021-28378PoC · poc_in_github

affected products (6)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
gitea gitea1.12.0 → 1.12.6nvdUScpe:2.3:a:gitea:gitea:*:*:*:*:*:*:*:*
gitea gitea1.13.0 → 1.13.4nvdUScpe:2.3:a:gitea:gitea:*:*:*:*:*:*:*:*
Bitnami gitea1.12.0 → 1.12.7osvUSpkg:bitnami/gitea
Bitnami gitea1.13.0 → 1.13.4osvUSpkg:bitnami/gitea
Go code.gitea.io/gitea< 1.13.4osvUSpkg:golang/code.gitea.io/gitea

advisories (3)

Vendor and ecosystem advisories describing this.

GHSA-g95p-88p4-76cmCross-site Scripting in Gitea2021-09-27ghsa · osvUS
Gitea 1.12.x and 1.13.x before 1.13.4 allows XSS via certain issue data in some situations.
BIT-gitea-2021-283782024-03-06vendor · osvUS
Gitea 1.12.x and 1.13.x before 1.13.4 allows XSS via certain issue data in some situations.
GO-2022-0832Cross-site Scripting in Gitea in code.gitea.io/gitea2024-08-21vendor · osvUS
Cross-site Scripting in Gitea in code.gitea.io/gitea

also known as (6)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2021-03-15modified 2026-06-17

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+53004 more

references (10)

External citations — patches, advisories, analysis.

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