CVE-2026-21269: adobe coldfusion Cross-site Scripting
CVSS: 5.4v3.1MediumModified
Published 11-08-2026Last modified 08-09-2026
Vulnerability summary
CVE-2026-21269 is a medium (CVSS 5.4) Cross-site Scripting vulnerability in adobe coldfusion. EPSS estimates a 0.50% chance of exploitation in the next 30 days, higher than 41.2% of scored vulnerabilities.
CVSS score
5.4/10
010
Medium · v3.1 (NVD)EPSS score
0.50%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Timeline
- 11-08-2026PublishedVulnerability first disclosed.
- 08-09-2026Last modifiedVulnerability information updated.
Description
ColdFusion is affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by a low-privileged attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim's browser when they browse to the page containing the vulnerable field. Scope is changed.
CVSS metrics
2 scores · 2 sources · 1 versionMedium 5.4Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NSources2 sources · 4.6–5.4
- CVE.orgCNA4.6MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:NDiffers
EPSS trend
Probability
0.50%
Chance of exploitation in the next 30 days
Percentile
41%
Versus all other CVEs
30-day change
0.00 pp
From 0.50% on 19-09-2026
19-09-202619-10-2026
EPSS score0.50%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Adobe3 products
- coldfusion2023 | 2023:update1 | 2023:update10 | 2023:update11 | 2023:update12 | 2023:update13 | 2023:update14 | 2023:update15 | 2023:update16 | 2023:update17 | 2023:update18 | 2023:update19 | 2023:update2 | 2023:update20 | 2023:update21 | 2023:update22 | 2023:update3 | 2023:update4 | 2023:update5 | 2023:update6 | 2023:update7 | 2023:update8 | 2023:update9 | 2025 | 2025:update1 | 2025:update10 | 2025:update11 | 2025:update2 | 2025:update3 | 2025:update4 | 2025:update5 | 2025:update6 | 2025:update7 | 2025:update8 | 2025:update9
- coldfusion 2023≤ 23
- coldfusion 2025≤ 12
1 vendor · 3 products
References
1 links- helpx.adobe.com/security/products/coldfusion/apsb26-119.htmlVendor Advisory